1504 plants found
Species Name | Common Name | Family Name |
---|---|---|
Abelia x grandiflora 'Edward Goucher' | Edward Goucher abelia | Caprifoliaceae |
Abies amabilis | Amabilis fir, Pacific silver fir | Pinaceae |
Abies balsamea 'Nana' | dwarf balsam fir | Pinaceae |
Abies cephalonica 'Meyer's Dwarf' | Meyer's Dwarf fir, dwarf Greek fir | Pinaceae |
Abies concolor | silver fir, Colorado fir, white fir | Pinaceae |
Abies fraseri | Fraser fir | Pinaceae |
Abies grandis | grand fir | Pinaceae |
Abies koreana | Korean fir | Pinaceae |
Abutilon x hybridum | Chinese lantern, parlour maple, flowering maple | Malvaceae |
Acaena inermis 'Purpurea' | purple sheep's burr | Rosaceae |
Acalypha hispida | chenille plant | Euphorbiaceae |
Acalypha pendula | dwarf chenille plant, firetail | Euphorbiaceae |
Acanthus mollis | common bear’s breeches | Acanthaceae |
Acer buergerianum | trident maple | Sapindaceae |
Acer campestre | field maple, hedge maple | Sapidinaceae |
Acer circinatum | vine maple | Sapindaceae |
Acer glabrum var. douglasii | Douglas maple, Rocky Mountain maple | Sapindaceae |
Acer griseum | paperbark maple | Sapindaceae |
Acer japonicum 'Aconitifolium' | fernleaf maple, full moon maple | Sapindaceae |
Acer macrophyllum | bigleaf maple | Sapindaceae |
Acer negundo | Manitoba maple, box elder | Sapindaceae |
Acer palmatum | Japanese maple | Sapindaceae |
Acer palmatum 'Koto No Ito' | Koto No Ito maple | Sapindaceae |
Acer palmatum 'Shishio' | Chishio Japanese maple | Sapindaceae |
Acer palmatum 'Shojo Nomura' | Shojo Nomura maple | Sapindaceae |
Acer palmatum 'Tsuma Beni' | red nail maple | Sapindaceae |
Acer palmatum Atropurpureum Group | red-leaf Japanese maple | Sapindaceae |
Acer palmatum Dissectum Atropurpureum Group | dissected red Japanese maple | Sapindaceae |
Acer pensylvanicum | moosewood maple | Sapindaceae |
Acer platanoides | Norway maple | Sapindaceae |
Acer platanoides 'Crimson King' | Crimson King Norway maple | Sapindaceae |
Acer platanoides 'Crimson Sentry' | Crimson Sentry maple | Sapindaceae |
Acer platanoides 'Princeton Gold' | Princeton Gold Norway maple | Sapindaceae |
Acer pseudoplatanus | sycamore maple | Sapindaceae |
Acer rubrum | red maple | Sapindaceae |
Acer rubrum 'Bowhall' | Bowhall maple | Sapindaceae |
Acer rubrum 'Franksred' | Red Sunset maple | Sapindaceae |
Acer saccharinum | silver maple | Sapindaceae |
Acer saccharum | sugar maple | Sapindaceae |
Acer shirasawanum 'Aureum' | golden full moon maple | Sapindaceae |
Acer tataricum ssp. ginnala | Amur maple, Tatarian maple | Sapindaceae |
Acer tegmentosum 'Joe Witt' | Manchurian snakebark maple, Manchu striped maple, Joe Witt striped maple | Sapindaceae |
Acer x freemanii | Freeman maple, columnar red maple | Sapindaceae |
Achillea filipendulina 'Gold Plate' | Gold Plate yarrow | Asteraceae |
Achillea millefolium | common yarrow | Asteraceae |
Achillea millefolium cvs. | yarrow cultivars | Asteraceae |
Aconitum carmichaelii | autumn monkshood | Ranunculaceae |
Aconitum napellus | monkshood | Ranunculaceae |
Acorus calamus 'Variegatus' | variegated sweet flag | Acoraceae |
Acorus gramineus 'Variegatus' | variegated sweet flag, variegated Japanese flag | Acoraceae |
Actaea pachypoda | white baneberry, doll's eyes | Ranunculaceae |
Actaea simplex (Atropurpurea Group) | dark-leaved bugbane, cimicifuga, Kamchatka bugbane | Ranunculaceae |
Actinidia arguta | hardy kiwi | Actinidiaceae |
Actinidia deliciosa | fuzzy kiwi | Actinidiaceae |
Actinidia kolomikta | actinidia | Actinidiaceae |
Actinidia macrosperma | actinidia | Actinidiaceae |
Adiantum pedatum | maidenhair fern | Pteridaceae |
Adiantum spp. | maidenhair fern | Pteridaceae |
Aechmea fasciata | silver urn plant, silver vase | Bromeliaceae |
Aegopodium podagraria 'Variegatum' | goutweed, bishop's weed | Apiaceae |
Aeschynanthus spp. | lipstick plant | Gesneriaceae |
Aesculus chinensis | Chinese horse chestnut | Sapindaceae |
Aesculus flava | yellow buckeye | Sapindaceae |
Aesculus hippocastanum | common horse chestnut | Sapindaceae |
Aesculus x carnea 'Briotii' | ruby horse chestnut, red horse chestnut | Sapindaceae |
Agapanthus (incl. hybrids) | African lily, lily of the Nile | Amaryllidaceae |
Agastache foeniculum | anise-hyssop, giant hyssop | Lamiaceae |
Agastache mexicana | agastache, Mexican hyssop | Lamiaceae |
Agave americana | century plant | Asparagaceae |
Agave filifera | threadleaf agave | Asparagaceae |
Ageratina altissima 'Chocolate' | white snakeroot | Asteraceae |
Ageratum houstonianum | floss flower | Asteraceae |
Aglaonema cvs. | Chinese evergreen | Araceae |
Agrostis canina | velvet bentgrass | Poaceae |
Agrostis capillaris | colonial bentgrass | Poaceae |
Agrostis stolonifera | creeping bentgrass | Poaceae |
Ailanthus altissima | tree of heaven | Simaroubaceae |
Ajuga pyramidalis 'Metallica Crispa' | crisp leaf carpet bugle | Lamiaceae |
Ajuga reptans | bugleweed, carpet bugleweed | Lamiaceae |
Ajuga x tenorii 'Chocolate Chip' | Chocolate Chip carpet bugle | Lamiaceae |
Akebia quinata | chocolate vine | Lardizabalaceae |
Albizia julibrissin | silk tree, mimosa | Fabaceae |
Alcea rosea | hollyhock | Malvaceae |
Alchemilla mollis | lady's mantle | Rosaceae |
Allium (incl. hybrids) | hybrid ornamental onion | Amaryllidaceae |
Allium ampeloprasum | leek | Amaryllidaceae |
Allium cepa | bulb onion, spring onion, shallot | Amaryllidaceae |
Allium cernuum | nodding onion | Amaryllidaceae |
Allium cristophii (incl. hybrids) | ornamental onion, Persian onion, star of Persia | Amaryllidaceae |
Allium fistulosum | green onion, Welsh onion, Japanese bunching onion | Amaryllidaceae |
Allium giganteum | tall ornamental onion | Amaryllidaceae |
Allium hollandicum (incl. hybrids) | ornamental onion, Persian onion | Amaryllidaceae |
Allium moly | yellow garlic | Amaryllidaceae |
Allium sativum | garlic | Amaryllidaceae |
Allium schoenoprasum | chives | Amaryllidaceae |
Allium sphaerocephalon | drumstick allium | Amaryllidaceae |
Allium tuberosum | garlic chives, Chinese chives | Amaryllidaceae |
Alnus hirsuta | Manchurian alder | Betulaceae |
Alnus rubra | red alder | Betulaceae |
Alocasia 'Amazonica' | African mask | Araceae |
Aloe vera | healing plant | Asphodelaceae |
Alstroemeria cvs. | alstroemeria, Peruvian lily | Alstroemeriaceae |
Alyssum montanum 'Berggold' | mountain gold alyssum | Brassicaceae |
Amelanchier alnifolia | Saskatoon berry, Pacific serviceberry | Rosaceae |
Amelanchier canadensis | Canadian serviceberry | Rosaceae |
Anagallis monelli | blue pimpernel | Primulaceae |
Anaphalis margaritacea | pearly everlasting | Asteraceae |
Andromeda polifolia | bog rosemary | Ericaceae |
Andropogon gerardii | big bluestem grass | Poaceae |
Anemanthele lessoniana | New Zealand wind grass, wind grass, pheasant grass | Poaceae |
Anemone coronaria | anemone | Ranunculaceae |
Anemone sylvestris | snowdrop anemone | Ranunculaceae |
Anemone x hybrida | Japanese windflower, anemone | Ranunculaceae |
Anemonoides blanda ( syn. Anemone blanda ) | Greek windflower, blue wood anemone | Ranunculaceae |
Anethum graveolens | dill | Apiaceae |
Angelica gigas | giant angelica | Apiaceae |
Angelonia angustifolia | summer snapdragon | Plantaginaceae |
Antennaria dioica | pussy toes | Asteraceae |
Anthurium andraeanum (incl. hybrid cvs.) | anthurium, flamingo flower | Araceae |
Antirrhinum majus | snapdragon | Plantaginaceae |
Aphelandra squarrosa | zebra plant | Acanthaceae |
Aquilegia (hybrid cvs.) | hybrid columbine | Ranunculaceae |
Aquilegia vulgaris | European columbine | Ranunculaceae |
Arabis caucasica (incl. hybrid cvs.) | rock cress, pink wall cress | Brassicaceae |
Aralia elata | Japanese angelica tree | Araliaceae |
Araucaria araucana | monkey puzzle tree | Araucariaceae |
Araucaria heterophylla | Norfolk Island pine | Araucariaceae |
Arbutus menziesii | arbutus, madrona | Ericaceae |
Arbutus unedo | strawberry tree | Ericaceae |
Arctostaphylos uva-ursi | bearberry , kinnikinnick | Ericaceae |
Arctotis x hybrida | African daisy | Asteraceae |
Arenaria montana | mountain sandwort | Caryophyllaceae |
Argyranthemum frutescens cvs. | Marguerite daisy, cobbitty daisy | Asteraceae |
Argyrocytisus battandieri | atlas broom, pineapple broom | Fabaceae |
Arisaema sikokianum | Japanese Jack-in-the-pulpit | Araceae |
Aristolochia sp. | pipe vine, Dutchman's pipe | Aristolochiaceae |
Armeria maritima | thrift | Plumbaginaceae |
Armeria pseudarmeria | perennial armeria | Plumbaginaceae |
Armeria x hybrida | hybrid thrift | Plumbaginaceae |
Armoracia rusticana | horseradish | Brassicaceae |
Aronia melanocarpa | black chokeberry | Rosaceae |
Arrhenatherum elatius var. bulbosum 'Variegatum' | variegated bulbous oat grass | Poaceae |
Artemisia 'Powis Castle' | Powis Castle artemisia | Asteraceae |
Artemisia dracunculus | French tarragon | Asteraceae |
Artemisia lactiflora Guizhou Group | Guizhou white mugwort | Asteraceae |
Artemisia ludoviciana 'Valerie Finnis' | Valerie Finnis artemisia | Asteraceae |
Artemisia schmidtiana | silvermound, wormwood, silver mound | Asteraceae |
Artemisia stelleriana 'Silver Brocade' | Silver Brocade artemisia | Asteraceae |
Arum italicum 'Pictum' | painted arum | Araceae |
Aruncus dioicus | goat's beard | Rosaceae |
Asarum canadense | Canadian wild ginger | Aristolochiaceae |
Asarum caudatum | western wild ginger | Aristolochiaceae |
Asarum europaeum | European wild ginger | Aristolochiaceae |
Asimina triloba | pawpaw, custard apple | Annonaceae |
Asparagus densiflorus 'Myersii' | foxtail fern | Asparagaceae |
Asparagus densiflorus 'Sprengeri' | Sprengeri asparagus fern | Asparagaceae |
Asparagus officinalis | asparagus | Asparagaceae |
Asparagus retrofractus | Ming fern, pom pom asparagus fern | Asparagaceae |
Asparagus setaceus | plumosus fern | Asparagaceae |
Asparagus virgatus | tree fern, African broom fern | Asparagaceae |
Asplenium nidus | bird's-nest fern | Aspleniaceae |
Asplenium scolopendrium | Hart's tongue fern | Aspleniaceae |
Aster alpinus | alpine aster | Asteraceae |
Aster spp. ( syn. Symphyotrichum - most ) | common aster | Asteraceae |
Aster x frikartii 'Monch' | Frikart aster | Asteraceae |
Astilbe chinensis | Chinese astilbe | Saxifragaceae |
Astilbe x arendsii cvs. | hybrid astilbe, garden astilbe | Saxifragaceae |
Astilboides tabularis | shieldleaf rodgersia | Saxifragaceae |
Astrantia major | masterwort, astrantia | Apiaceae |
Athyrium filix-femina | lady fern | Athyriaceae |
Athyrium niponicum var. pictum | Japanese painted fern | Athyriaceae |
Aubrieta x cultorum | common rock cress | Brassicaceae |
Aucuba japonica | Japanese aucuba, Japanese laurel | Garryaceae |
Aurinia saxatilis | perennial alyssum, basket-of-gold, gold dust alyssum | Brassicaceae |
Azolla filiculoides | Fairy moss, mosquito fern | Salviniaceae |
Balantium antarcticum | Tasmanian tree fern | Dicksoniaceae |
Basella alba 'Rubra' | vine spinach, Malabar spinach | Basellaceae |
Beaucarnea recurvata | ponytail palm | Asparagaceae |
Begonia corallina ( syn. B. maculata ) | angel wing begonia | Begoniaceae |
Begonia grandis | hardy begonia, giant begonia | Begoniaceae |
Begonia masoniana | iron cross begonia | Begoniaceae |
Begonia rex (incl. hybrids) | rex begonia | Begoniaceae |
Begonia x hiemalis | Hiemalis begonia, Rieger begonia | Begoniaceae |
Begonia x hybrida | Dragon Wing begonia | Begoniaceae |
Begonia x semperflorens cultorum | fibrous begonia, wax begonia | Begoniaceae |
Begonia x tuberhybrida | tuberous begonia | Begoniaceae |
Bellis perennis | English daisy | Asteraceae |
Berberis buxifolia | box leaf barberry, dwarf Magellan barberry | Berberidaceae |
Berberis julianae | wintergreen barberry | Berberidaceae |
Berberis thunbergii | Japanese barberry | Berberidaceae |
Berberis verruculosa | warty barberry | Berberidaceae |
Berberis x gladwynensis 'William Penn' | William Penn barberry | Berberidaceae |
Berberis x stenophylla | narrow-leaf barberry | Berberidaceae |
Bergenia cordifolia ( syn. of B. crassifolia ) | heartleaf bergenia | Saxifragaceae |
Beta vulgaris (Cicla Group) | Swiss chard | Amaranthaceae |
Beta vulgaris (Conditiva Group) | garden beet | Amaranthaceae |
Betonica officinalis 'Hummelo' ( syn. Stachys monieri ) | alpine betony | Lamiaceae |
Betula albosinensis | Chinese red birch, Chinese paper birch | Betulaceae |
Betula alleghaniensis | yellow birch | Betulaceae |
Betula lenta | cherry birch, sweet birch, black birch | Betulaceae |
Betula nigra | river birch | Betulaceae |
Betula papyrifera | paper birch | Betulaceae |
Betula pendula | European white birch, silver birch | Betulaceae |
Betula utilis var. jacquemontii | Jacquemont birch | Betulaceae |
Bidens ferulifolia (incl. hybrid cvs.) | bidens | Asteraceae |
Blechnum gibbum 'Silver Lady' | Silver Lady fern, dwarf tree fern | Blechnaceae |
Blechnum spicant | deer fern | Blechnaceae |
Bletilla striata | hardy orchid, Chinese ground orchid | Orchidaceae |
Boltonia asteroides | false aster, Snowbank aster | Asteraceae |
Bougainvillea cv. | paper flower | Nyctaginaceae |
Brachyglottis (incl. hybrids) | ragwort, daisy bush | Asteraceae |
Brachyscome iberidifolia | Swan River daisy | Asteraceae |
Brachyscome multifida | cut-leaf daisy, rock daisy | Asteraceae |
Brassica oleracea (Acephala Group) | kale , collard | Brassicaceae |
Brassica oleracea (Botrytis Group) | cauliflower | Brassicaceae |
Brassica oleracea (Capitata Group) | cabbage, head cabbage | Brassicaceae |
Brassica oleracea (Gemmifera Group) | Brussels sprout | Brassicaceae |
Brassica oleracea (Italica Group) | broccoli | Brassicaceae |
Brassica rapa var. rapa | turnip | Brassicaceae |
Briza media | quaking grass | Poaceae |
Brugmansia spp. | angels' trumpets | Solanaceae |
Brunnera macrophylla | Siberian bugloss | Boraginaceae |
Bryophyta (Division) | moss | (various) |
Buddleja (hybrid cvs.) | hybrid butterfly bush | Scrophulariaceae |
Buddleja davidii | butterfly bush | Scrophulariaceae |
Butomus umbellatus | flowering rush | Butomaceae |
Buxus microphylla | Asian boxwood, Korean boxwood | Buxaceae |
Buxus sempervirens | common boxwood | Buxaceae |
Buxus sinica var. insularis 'Winter Gem' | Korean littleleaf boxwood, winter gem boxwood | Buxaceae |
Caladium bicolor | caladium, angel wings | Araceae |
Calamagrostis x acutiflora | feather reed grass | Poaceae |
Calathea makoyana | peacock plant | Marantaceae |
Calathea roseopicta | calathea | Marantaceae |
Calceolaria (Herbeohybrida Group) | pocketbook plant, pouch flower, lady's slipper | Calceolariaceae |
Calceolaria integrifolia | pouch flower | Calceolariaceae |
Calibrachoa x hybrida | calibrachoa, mini petunia, trailing petunia | Solanaceae |
Callicarpa bodinieri var. giraldii 'Profusion' | beautyberry | Lamiaceae |
Callicarpa dichotoma x kwangtungensis | Pearl Glam™ beautyberry, hybrid callicarpa | Lamiaceae |
Callistemon citrinus | crimson bottlebrush | Myrtaceae |
Calluna vulgaris | heather | Ericaceae |
Calocedrus decurrens | California incense cedar | Cupressaceae |
Caltha palustris | yellow marsh marigold | Ranunculaceae |
Calystegia sepium | hedge bindweed, morning glory | Convolvulaceae |
Camassia spp. and cvs. | camas, wild hyacinth | Asparagaceae |
Camellia japonica | common camellia, Japanese camellia | Theaceae |
Camellia japonica ssp. quercifolia 'White Mermaid' | White Mermaid camellia | Theaceae |
Camellia sasanqua | sasanqua camellia | Theaceae |
Campanula carpatica | Carpathian harebell, canterbury bells | Campanulaceae |
Campanula glomerata | clustered bellflower | Campanulaceae |
Campanula medium | Canterbury bells | Campanulaceae |
Campanula persicifolia | peach leaf bellflower, peach-leaved bellflower | Campanulaceae |
Campanula poscharskyana | Serbian campanula, Serbian bellflower | Campanulaceae |
Campanula punctata (incl. hybrids) | spotted bellflower | Campanulaceae |
Campanula trachelium | nettle-leaved bellflower | Campanulaceae |
Campsis radicans | trumpet vine, common trumpet creeper | Bignoniaceae |
Campsis x tagliabuana 'Madame Galen' | Madam Galam trumpet vine | Bignoniaceae |
Canna x generalis | canna, garden cannas | Cannaceae |
Cannabis sativa | marijuana | Cannabaceae |
Capsella bursa-pastoris | shepherd's purse | Brassicaceae |
Capsicum annuum cv. | ornamental pepper | Solanaceae |
Capsicum annuum var. annuum Grossum Group | sweet bell pepper | Solanaceae |
Capsicum spp. | spicy hot pepper, chili pepper | Solanaceae |
Caragana arborescens | Siberian peashrub | Fabaceae |
Cardamine oligosperma | snapweed , little western bittercress | Brassicaceae |
Carex berggrenii | dwarf bronze creeping sedge | Cyperaceae |
Carex buchananii | leatherleaf sedge | Cyperaceae |
Carex comans | Frosted Curls sedge, Bronze sedge | Cyperaceae |
Carex conica 'Snowline' | variegated Japanese sedge | Cyperaceae |
Carex elata 'Aurea' | Bowles' golden sedge | Cyperaceae |
Carex flacca | blue creeping sedge | Cyperaceae |
Carex morrowii 'Ice Dance' | frosted sedge, creeping Japanese sedge | Cyperaceae |
Carex oshimensis 'Evergold' | Evergold Japanese sedge | Cyperaceae |
Carex spp. | sedge (unidentified species) | Cyperaceae |
Carex testacea | copper hair sedge, New Zealand orange sedge | Cyperaceae |
Carpinus betulus | European hornbeam | Betulaceae |
Carpinus fangiana | Fang's hornbeam, monkey tail hornbeam | Betulaceae |
Carpinus japonica | Japanese hornbeam | Betulaceae |
Caryopteris incana 'Jason' | Sunshine Blue bluebeard | Verbenaceae |
Caryopteris x clandonensis | bluebeard | Verbenaceae |
Caryota mitis | fishtail palm | Arecaceae |
Castanea sativa | sweet chestnut | Fagaceae |
Castanospermum australe | lucky bean | Fabaceae |
Castilleja spp. | Indian paintbrush, harsh paintbrush | Orobanchaceae |
Catalpa bignonioides | southern catalpa | Bignoniaceae |
Catalpa speciosa | western catalpa, northern catalpa | Bignoniaceae |
Ceanothus gloriosus 'Point Reyes' | Point Reyes creeper | Rhamnaceae |
Ceanothus thyrsiflorus 'Victoria' | Victoria lilac, summer lilac, California lilac | Rhamnaceae |
Ceanothus x delilianus 'Gloire de Versailles' | Glory of Versaille lilac | Rhamnaceae |
Cedrus atlantica Glauca Group | blue Atlas cedar | Pinaceae |
Cedrus deodara | Deodar cedar | Pinaceae |
Cedrus libani | cedar of Lebanon | Pinaceae |
Celastrus scandens | American bittersweet | Celastraceae |
Celosia argentea (syn. C. cristata ) | cockscomb, plumed celosia | Amaranthaceae |
Centaurea dealbata | Persian cornflower | Asteraceae |
Centaurea montana | bachelor's buttons | Asteraceae |
Centaurea stoebe | spotted knapweed | Asteraceae |
Centranthus ruber | red valerian, Jupiter's beard | Caprifoliaceae |
Cephalanthus occidentalis | button bush | Rubiaceae |
Cephalocereus senilis | old-man cactus | Cactaceae |
Cephalotaxus harringtonia 'Fastigiata' | columnar false yew, Japanese plum-yew | Cephalotaxaceae |
Cerastium glomeratum ssp. vulgare | mouse-eared chickweed | Caryophyllaceae |
Cerastium tomentosum | snow-in-summer | Caryophyllaceae |
Ceratostigma plumbaginoides | plumbago, leadwort | Plumbaginaceae |
Cercidiphyllum japonicum | katsura, Japanese katsura tree | Cercidiphyllaceae |
Cercis canadensis | redbud | Fabaceae |
Ceropegia linearis ssp. woodii | string of hearts, rosary vine | Apocynaceae |
Chaenomeles speciosa ( vs. C. japonica ) | flowering quince | Rosaceae |
Chaenomeles x superba | dwarf quince, hybrid flowering quince | Rosaceae |
Chamaecyparis lawsoniana | Lawson cypress, Port Orford cypress | Cupressaceae |
Chamaecyparis obtusa cvs. | Hinoki false cypress | Cupressaceae |
Chamaecyparis pisifera | false cypress, sawara cypress | Cupressaceae |
Chamaecyparis pisifera 'Boulevard' | Boulevard false cypress | Cupressaceae |
Chamaecyparis pisifera 'Filifera Aurea' | gold threadleaf false cypress | Cupressaceae |
Chamaedorea elegans | parlour palm, neanthe bella palm | Arecaceae |
Chamaemelum nobile | Roman chamomile | Asteraceae |
Chamelaucium spp. | wax flower | Myrtaceae |
Chamerion angustifolium ( syn. Epilobium ) | fireweed | Onagraceae |
Chasmanthium latifolium | northern sea oats | Poaceae |
Chenopodium album | lamb's quarters , pigweed | Amaranthaceae |
Chlorophytum comosum | spider plant, airplane plant | Asparagaceae |
Choisya ternata | Mexican mock orange | Rutaceae |
Choisya x dewitteana 'Aztec Pearl' | Mexican mock orange | Rutaceae |
Chrysanthemum morifolium (incl. hybrid cvs.) | garden mum, florist's mum | Asteraceae |
Cirsium arvense | Canada thistle | Asteraceae |
Cirsium vulgare | bull thistle | Asteraceae |
Cissus alata ( syn. C. rhombifolia ) | grape ivy, Danish ivy | Vitaceae |
Cissus antarctica | kangaroo vine | Vitaceae |
Cissus discolor | tapestry vine, Rex begonia vine | Vitaceae |
Cistus x canescens | rock rose | Cistaceae |
Cistus x corbariensis | rock rose | Cistaceae |
Cistus x pulverulentus 'Sunset' | Sunset rock rose | Cistaceae |
Citrullus lanatus | watermelon | Cucurbitaceae |
Citrus limon (incl. hybrids) | lemon | Rutaceae |
Citrus x latifolia | Persian lime | Rutaceae |
Citrus x paradisi | grapefruit | Rutaceae |
Clematis 'Nelly Moser' | Nelly Moser clematis | Ranunculaceae |
Clematis alpina | alpine clematis | Ranunculaceae |
Clematis armandii | evergreen clematis | Ranunculaceae |
Clematis montana | anemone clematis | Ranunculaceae |
Clematis spp. | clematis | Ranunculaceae |
Clematis tangutica | Tangutica clematis | Ranunculaceae |
Clematis vitalba | traveller's joy | Ranunculaceae |
Cleome hassleriana | spider flower | Cleomaceae |
Clerodendrum trichotomum | Harlequin glorybower | Lamiaceae |
Clethra alnifolia | summersweet, sweet pepperbush | Clethraceae |
Clethra barbinervis | Japanese sweet shrub, Chinese summersweet | Clethraceae |
Clivia miniata (incl. hybrids) | bush lily, kaffir lily | Amaryllidaceae |
Codiaeum variegatum var. pictum | croton | Euphorbiaceae |
Coffea arabica | coffee plant, Arabian coffee | Rubiaceae |
Colchicum autumnale | autumn crocus | Liliaceae |
Colocasia esculenta | taro root, coloyam, elephant's ear | Araceae |
Consolida | larkspur | Ranunculaceae |
Convallaria majalis | lily-of-the-valley | Asparagaceae |
Cordyline indivisa | dracaena spike | Asparagaceae |
Coreopsis auriculata 'Zamfir' | Zamfir coreopsis | Asteraceae |
Coreopsis grandiflora | large flowered coreopsis | Asteraceae |
Coreopsis lanceolata | lanceleaf coreopsis | Asteraceae |
Coreopsis rosea | pink coreopsis, pink tickseed | Asteraceae |
Coreopsis spp. & cvs. | coreopsis | Asteraceae |
Coreopsis verticillata | threadleaf coreopsis, whorled tickseed | Asteraceae |
Coriandrum sativum | cilantro, coriander, Chinese parsley | Apiaceae |
Cornus 'Eddie's White Wonder' | Eddie's White Wonder dogwood | Cornaceae |
Cornus alba | Siberian dogwood, white dogwood | Cornaceae |
Cornus alba 'Elegantissima' | silverleaf dogwood, Siberian dogwood | Cornaceae |
Cornus canadensis | bunchberry | Cornaceae |
Cornus controversa | giant dogwood | Cornaceae |
Cornus florida | eastern flowering dogwood, pink flowering dogwood | Cornaceae |
Cornus kousa cvs. | Chinese dogwood, kousa dogwood | Cornaceae |
Cornus kousa var. chinensis | Chinese dogwood, kousa dogwood | Cornaceae |
Cornus mas | Cornelian dogwood, Cornelian cherry | Cornaceae |
Cornus nuttallii | Pacific dogwood | Cornaceae |
Cornus racemosa | grey dogwood | Cornaceae |
Cornus sericea | red osier dogwood | Cornaceae |
Cornus sericea 'Flaviramea' | yellow twig dogwood | Cornaceae |
Cornus x rutgersensis 'Rutcan' | Constellation dogwood | Cornaceae |
Cortaderia selloana | pampas grass | Poaceae |
Corylopsis pauciflora | buttercup winter hazel | Hamamelidaceae |
Corylopsis spicata | spike witchhazel, spike winter hazel | Hamamelidaceae |
Corylus avellana | European filbert, common hazel | Betulaceae |
Corylus avellana 'Contorta' | contorted European filbert, Harry Lauder's walking stick, corkscrew hazel | Betulaceae |
Corylus colurna | Turkish filbert, Turkish hazel | Betulaceae |
Corylus cornuta var. californica | beaked hazelnut, western beaked hazel | Betulaceae |
Corylus maxima 'Purpurea' | purple filbert, hazel | Betulaceae |
Cosmos bipinnatus | cosmos, Mexican aster | Asteraceae |
Cotinus coggygria | smoke bush | Anacardiaceae |
Cotoneaster acutifolius | Peking cotoneaster | Rosaceae |
Cotoneaster apiculatus | cranberry cotoneaster | Rosaceae |
Cotoneaster dammeri | bearberry cotoneaster | Rosaceae |
Cotoneaster franchetii | Franchet cotoneaster, gray cotoneaster | Rosaceae |
Cotoneaster horizontalis | rockspray cotoneaster | Rosaceae |
Cotoneaster lacteus | Parney cotoneaster | Rosaceae |
Cotoneaster microphyllus | littleleaf cotoneaster, small-leaf cotoneaster | Rosaceae |
Cotoneaster salicifolius var. floccosus | willowleaf cotoneaster | Rosaceae |
Crassula ovata | jade plant | Crassulaceae |
Crataegus douglasii | black hawthorn | Rosaceae |
Crataegus laevigata | English hawthorn | Rosaceae |
Crataegus monogyna | common hawthorn | Rosaceae |
Crataegus phaenopyrum | Washington hawthorn | Rosaceae |
Crataegus x lavallei | Lavalle hawthorn | Rosaceae |
Crataegus x mordenensis | Morden hawthorn | Rosaceae |
Crocosmia 'Lucifer' | Lucifer montbretia | Iridaceae |
Crocosmia x crocosmiiflora | montbretia | Iridaceae |
Crocus chrysanthus | snow crocus, golden crocus | Iridaceae |
Crocus speciosus | fall flowering crocus, Bieberstein's crocus | Iridaceae |
Crocus vernus (incl. hybrid cvs.) | Dutch crocus, crocus | Iridaceae |
Crossandra infundibuliformis | firecracker flower | Acanthaceae |
Cryptanthus bivittatus | earth star | Bromeliaceae |
Cryptanthus zonatus 'Zebrinus' | zebra plant | Bromeliaceae |
Cryptomeria japonica | Japanese cedar | Cupressaceae |
Cryptomeria japonica 'Cristata' | cockscomb Japanese cedar, crested Japanese cedar | Cupressaceae |
Cryptomeria japonica 'Elegans' | plume Japanese cedar | Cupressaceae |
Cryptomeria japonica 'Vilmoriniana' | globe Japanese cedar | Cupressaceae |
Ctenanthe oppenheimiana | never never plant | Marantaceae |
Cucumis melo | cantaloupe, honeydew, muskmelon | Cucurbitaceae |
Cucumis sativus | long English cucumber, European cucumber | Cucurbitaceae |
Cucurbita maxima | pumpkin, winter squash | Cucurbitaceae |
Cucurbita pepo | summer squash, zucchini | Cucurbitaceae |
Cunninghamia lanceolata | China fir | Cupressaceae |
Cuphea hyssopifolia (incl. hybrids) | Mexican heather | Lythraceae |
Cuphea ignea (incl. hybrids) | firecracker plant, cigar flower | Lythraceae |
Cuphea x purpurea | firecracker | Lythraceae |
Cupressus arizonica | Arizona cypress | Cupressaceae |
Cupressus nootkatensis 'Pendula' ( syn. Chamaecyparis ) | weeping Nootka false cypress | Cupressaceae |
Cupressus nootkatensis ( syn. Chamaecyparis ) | Nootka cypress, yellow cedar | Cupressaceae |
Cupressus x leylandii | Leyland cypress | Cupressaceae |
Curio rowleyanus ( syn. Senecio rowleyanus ) | string-of-pearls, string-of-beads | Asteraceae |
Cycas revoluta | Japanese sago palm | Cycadaceae |
Cyclamen hederifolium | hardy cyclamen | Primulaceae |
Cyclamen persicum (incl. hybrids) | cyclamen | Primulaceae |
Cyclamen repandum | hardy cyclamen, spring sowbread | Primulaceae |
Cydonia oblonga | quince | Rosaceae |
Cymbidium (hybrids) | boat orchid | Orchidaceae |
Cynara cardunculus | cardoon, globe artichoke | Asteraceae |
Cyperus spp. | papyrus, umbrella plant | Cyperaceae |
Cyrtomium falcatum | Japanese holly fern | Dryopteridaceae |
Cytisus scoparius | Scotch broom | Fabaceae |
Cytisus x praecox | Warminster broom | Fabaceae |
Daboecia cantabrica | Irish heath | Ericaceae |
Dactylis glomerata | orchard grass | Poaceae |
Dahlia x hybrida | dahlia | Asteraceae |
Daphne cneorum | rose daphne, garland flower, rock daphne | Thymelaeaceae |
Daphne laureola | spurge laurel | Thymelaeaceae |
Daphne odora 'Aureomarginata' | variegated winter daphne | Thymelaeaceae |
Darmera peltata | umbrella plant | Saxifragaceae |
Datura inoxia | pricklyburr, thorn apple | Solanaceae |
Daucus carota ssp. sativus | carrot | Apiaceae |
Davallia sp. | rabbit's foot fern | Davalliaceae |
Davidia involucrata | dove tree, kleenex tree, handkerchief tree | Nyssaceae |
Decaisnea insignis | dead man's fingers | Lardizabalaceae |
Delosperma spp. | hardy ice plant | Aizoaceae |
Delphinium (spp. & hybrids) | delphinium | Ranunculaceae |
Delphinium elatum | delphinium, perennial larkspur | Ranunculaceae |
Deschampsia cespitosa | tufted hair grass | Poaceae |
Deutzia gracilis (incl. hybrids) | slender deutzia | Hydrangeaceae |
Deutzia scabra 'Pride of Rochester' | Pride of Rochester deutzia, fuzzy deutzia | Hydrangeaceae |
Dianthus barbatus (incl. hybrid cvs.) | sweet William | Caryophyllaceae |
Dianthus caryophyllus | carnation | Caryophyllaceae |
Dianthus chinensis (incl. hybrids) | dianthus, China pink | Caryophyllaceae |
Dianthus deltoides | maiden pink | Caryophyllaceae |
Dianthus gratianopolitanus | cheddar pink | Caryophyllaceae |
Dianthus plumarius | cottage pink | Caryophyllaceae |
Diascia x hybrida | diascia, twinspur | Scrophulariaceae |
Dicentra (hybrids) | bleeding heart | Papaveraceae |
Dicentra eximia | fringed bleeding heart | Papaveraceae |
Dicentra formosa | Pacific bleeding heart | Papaveraceae |
Dieffenbachia seguine | dumb cane | Araceae |
Diervilla sessilifolia 'Butterfly' | dwarf bush honeysuckle | Caprifoliaceae |
Digitalis purpurea | foxglove | Plantaginaceae |
Digitaria ischaemum | smooth crabgrass | Poaceae |
Diphylleia cymosa | umbrella leaf | Berberidaceae |
Disanthus cercidifolius | red bud hazel | Hamamelidaceae |
Disocactus ackermannii (& hybrids) | orchid cactus, strap cactus | Cactaceae |
Doronicum spp. | leopard's bane | Asteraceae |
Dracaena braunii | ribbon plant, lucky bamboo | Asparagaceae |
Dracaena fragrans | corn plant, cornstalk dracaena, striped dracaena | Asparagaceae |
Dracaena marginata | dragon tree, red margined dracaena | Asparagaceae |
Dracaena reflexa | pleomele | Asparagaceae |
Dracaena surculosa | gold-dust dracaena | Asparagaceae |
Dryopteris cycadina | shaggy shield fern | Dryopteridaceae |
Dryopteris dilatata 'Jimmy Dyce' | Jimmy's upright broad buckler fern | Dryopteridaceae |
Dryopteris erythrosora | copper shield fern, autumn fern | Dryopteridaceae |
Dryopteris expansa | northwest wood fern, Buckler fern | Dryopteridaceae |
Dryopteris filix-mas 'Crispa Cristata' | crested male fern | Dryopteridaceae |
Dypsis lutescens | Areca palm | Arecaceae |
Echeveria (sp. & hybrids) | hens and chicks | Crassulaceae |
Echinacea purpurea | coneflower, echinacea, purple coneflower | Asteraceae |
Echinacea purpurea cvs. (incl. hybrids) | coneflower | Asteraceae |
Echinocactus grusonii | golden barrel cactus | Cactaceae |
Echinochloa crus-galli | barnyard grass | Poaceae |
Echinops bannaticus | globe thistle | Asteraceae |
Echium vulgare | blueweed, viper's bugloss | Boraginaceae |
Eichhornia crassipes | water hyacinth, water orchid | Pontederiaceae |
Elaeagnus angustifolia | Russian olive | Elaeagnaceae |
Elaeagnus commutata | silverberry , wolf willow | Elaeagnaceae |
Elaeagnus pungens | thorny elaeagnus, silverthorn | Elaeagnaceae |
Elaeagnus x ebbingei | elaeagnus, Ebbinge's silverberry | Elaeagnaceae |
Eleutherococcus sieboldianus | five-fingered aralia, five-leaf aralia | Araliaceae |
Elymus repens ssp. repens ( syn. Agropyron repens ) | quackgrass, couchgrass | Poaceae |
Empetrum nigrum | crowberry, crawberry | Ericaceae |
Enkianthus campanulatus | redvein enkianthus | Ericaceae |
Epilobium ciliatum ( syn. E. glandulosum ) | common willowherb, fringed willowherb | Onagraceae |
Epimedium 'Amber Queen' | Amber Queen barrenwort | Berberidaceae |
Epimedium (hybrid cvs.) | hybrid barrenwort | Berberidaceae |
Epimedium x cantabrigiense | barrenwort | Berberidaceae |
Epimedium x perralchicum | yellow epimedium, barrenwort, hybrid bishop's hat | Berberidaceae |
Epimedium x rubrum | barrenwort | Berberidaceae |
Epimedium x youngianum | barrenwort | Berberidaceae |
Epipremnum aureum | devil's ivy, golden pothos | Araceae |
Equisetum arvense | common horsetail | Equisetaceae |
Equisetum hyemale | scouring rush, horsetail | Equisetaceae |
Equisetum spp. | horsetail | Equisetaceae |
Eremurus x isabellinus | foxtail lily | Asphodelaceae |
Erica carnea | winter heather | Ericaceae |
Erica tetralix | cross leaved heath | Ericaceae |
Erica x darleyensis | erica, heath | Ericaceae |
Erigeron glaucus | beach aster, seaside daisy | Asteraceae |
Eryngium alpinum | alpine sea holly | Apiaceae |
Eryngium planum | blue sea holly, flat sea holly | Apiaceae |
Eryngium variifolium | marble-leaf sea holly, Moroccan sea holly | Apiaceae |
Erysimum 'Bowles Mauve' | Bowles Mauve wallflower | Brassicaceae |
Erysimum cheiri | English wallflower | Brassicaceae |
Erythronium (hybrid cvs.) | hybrid fawn lily | Liliaceae |
Erythronium americanum | yellow trout lily, adder's tongue | Liliaceae |
Escallonia x exoniensis 'Frades' | pink princess escallonia | Escalloniaceae |
Eschscholzia californica | California poppy | Papaveraceae |
Eucalyptus sp. | eucalyptus | Myrtaceae |
Euonymus alatus | burning bush, winged euonymus, winged burning bush | Celastraceae |
Euonymus europaeus | common spindle tree, European euonymus | Celastraceae |
Euonymus fortunei | wintercreeper, winter creeper | Celastraceae |
Euonymus japonicus 'Paloma Blanca' | Paloma Blanca euonymus | Celastraceae |
Euonymus japonicus 'Silver King' | Silver King euonymus | Celastraceae |
Eupatorium cannabinum | double hemp agrimony, boneset | Asteraceae |
Euphorbia 'Charam' | Redwing spurge | Euphorbiaceae |
Euphorbia amygdaloides | wood spurge, Mrs. Robb's bonnet, purple wood spurge | Euphorbiaceae |
Euphorbia characias | Mediterranean spurge | Euphorbiaceae |
Euphorbia cyparissias | cypress spurge | Euphorbiaceae |
Euphorbia dulcis | sweet spurge | Euphorbiaceae |
Euphorbia esula | green spurge, leafy spurge | Euphorbiaceae |
Euphorbia griffithii 'Fireglow' | Fireglow spurge | Euphorbiaceae |
Euphorbia hybrid cvs. | hybrid spurge | Euphorbiaceae |
Euphorbia hypericifolia | euphorbia, graceful spurge | Euphorbiaceae |
Euphorbia lacei ( syn. E. trigona ) | African milk tree | Euphorbiaceae |
Euphorbia mammillaris | corncob plant | Euphorbiaceae |
Euphorbia milii (incl. hybrids) | crown of thorns | Euphorbiaceae |
Euphorbia myrsinites | myrtle spurge, donkey-tail spurge | Euphorbiaceae |
Euphorbia polychroma | golden spurge, cushion spurge | Euphorbiaceae |
Euphorbia pulcherrima | poinsettia | Euphorbiaceae |
Eustoma grandiflorum | lisianthus, prairie gentian, Texas bluebell | Gentianaceae |
Eutrochium purpureum | Joe Pye weed | Asteraceae |
Exochorda x 'Blizzard' | Snowy Day Blizzard pearlbush | Rosaceae |
Fagus grandifolia | American beech | Fagaceae |
Fagus sylvatica | European beech | Fagaceae |
Fagus sylvatica 'Aspleniifolia' | fern-leaf beech | Fagaceae |
Fagus sylvatica 'Dawyck Gold' | gold columnar beech | Fagaceae |
Fagus sylvatica 'Dawyck Purple' | Dawyck purple beech | Fagaceae |
Fagus sylvatica 'Purple Fountain' | weeping purple beech | Fagaceae |
Fagus sylvatica 'Purpurea Pendula' | weeping copper beech | Fagaceae |
Fagus sylvatica 'Rohan Obelisk' | red obelisk beech | Fagaceae |
Fagus sylvatica 'Rotundifolia' | round leaf beech | Fagaceae |
Fagus sylvatica Atropurpurea Group | copper beech, purple beech | Fagaceae |
Falkia repens | creeping falkia, African morning glory | Convolvulaceae |
Fallopia baldschuanica | silver lace vine | Polygonaceae |
Fallopia japonica ( syn. Reynoutria ) | Japanese knotweed | Polygonaceae |
Fargesia nitida | fountain bamboo | Poaceae |
Fatsia japonica | fatsia | Araliaceae |
Faucaria tigrina | tiger's jaws | Aizoaceae |
Felicia amelloides | blue marguerite, blue daisy | Asteraceae |
Ferocactus sp. | barrel cactus | Cactaceae |
Festuca arundinacea | tall fescue | Poaceae |
Festuca glauca | blue fescue, blue sheep fescue | Poaceae |
Festuca idahoensis | Idaho fescue, blue bunchgrass | Poaceae |
Festuca longifolia | hard fescue, fine fescue | Poaceae |
Festuca ovina | sheep fescue, fine fescue | Poaceae |
Festuca rubra var. rubra | creeping red fescue | Poaceae |
Festuca valesiaca 'Nefer' | Nefer fescue | Poaceae |
Ficus benghalensis | banyan, Audrey fig | Moraceae |
Ficus benjamina | weeping ficus, weeping fig | Moraceae |
Ficus binnendijkii 'Alii' | sabre fig | Moraceae |
Ficus carica | common fig, garden fig | Moraceae |
Ficus elastica | rubber plant, India rubber plant, rubber tree | Moraceae |
Ficus lyrata | fiddle-leaf fig | Moraceae |
Ficus pumila | creeping fig | Moraceae |
Filipendula purpurea | Japanese meadowsweet | Rosaceae |
Filipendula ulmaria | European meadowsweet | Rosaceae |
Filipendula vulgaris | dropwort | Rosaceae |
Fittonia albivenis Argyroneura Group | white nerve plant, mosaic plant | Acanthaceae |
Foeniculum vulgare | fennel | Apiaceae |
Forsythia x intermedia cvs. | showy forsythia | Oleaceae |
Fothergilla gardenii | dwarf fothergilla, witch alder | Hamamelidaceae |
Fothergilla major | fothergilla, witch alder | Hamamelidaceae |
Fragaria 'Frel' | Pink Panda strawberry | Rosaceae |
Fragaria chiloensis | coastal strawberry, wild strawberry | Rosaceae |
Fragaria x ananassa | garden strawberry | Rosaceae |
Frangula purshiana | cascara | Rhamnaceae |
Fraxinus (hybrid cvs.) | hybrid ash | Oleaceae |
Fraxinus americana | American ash, white ash | Oleaceae |
Fraxinus angustifolia | narrow-leafed ash | Oleaceae |
Fraxinus excelsior | common ash, European ash | Oleaceae |
Fraxinus nigra 'Fallgold' | Fallgold black ash, swamp ash | Oleaceae |
Fraxinus ornus | manna ash, flowering ash | Oleaceae |
Fraxinus pennsylvanica | green ash | Oleaceae |
Fraxinus pennsylvanica cvs. | green ash | Oleaceae |
Freesia x hybrida | freesia | Iridaceae |
Fremontodendron californicum | fremontia, California flannel bush | Malvaceae |
Fritillaria imperialis | crown imperial | Liliaceae |
Fritillaria meleagris | Guinea hen flower | Liliaceae |
Fritillaria michailovskyi | fritillary | Liliaceae |
Fuchsia magellanica 'Riccartonii' | Riccartoni hardy fuchsia | Onagraceae |
Fuchsia magellanica var. macrostema 'Tricolor' | hardy fuchsia, lady's eardrops | Onagraceae |
Fuchsia magellanica var. molinae 'Sharpitor' | pink hardy fuchsia | Onagraceae |
Fuchsia x hybrida | hybrid fuchsia | Onagraceae |
Fumaria spp. | fumitory | Papaveraceae |
Gaillardia cvs. | blanket flower | Asteraceae |
Galanthus nivalis | snowdrop | Amaryllidaceae |
Galium aparine | northern bedstraw, cleavers | Rubiaceae |
Galium odoratum | sweet woodruff | Rubiaceae |
Gardenia jasminoides | gardenia | Rubiaceae |
Garrya elliptica | wavyleaf silktassel, coast silk-tassel , silk tasselbush | Garryaceae |
Gaultheria mucronata | pernettya; prickly heath | Ericaceae |
Gaultheria procumbens | wintergreen | Ericaceae |
Gaultheria shallon | salal | Ericaceae |
Gazania cv. | gazania, treasure flower, African daisy | Asteraceae |
Genista lydia | lydia genista | Fabaceae |
Genista pilosa | spreading broom | Fabaceae |
Geranium cinereum | dwarf cranesbill | Geraniaceae |
Geranium endressii | Endres's cranesbill, French cranesbill | Geraniaceae |
Geranium himalayense (incl. hybrid cvs.) | blue hybrid cranesbill, Johnson's Blue geranium | Geraniaceae |
Geranium macrorrhizum 'Ingwersen's Variety' | Ingwersen's Variety bigroot geranium | Geraniaceae |
Geranium molle | dove's foot cranesbill | Geraniaceae |
Geranium phaeum | mourning widow | Geraniaceae |
Geranium pratense | meadow cranesbill | Geraniaceae |
Geranium psilostemon | Armenian cranesbill | Geraniaceae |
Geranium robertianum | Robert geranium, herb Robert | Geraniaceae |
Geranium sanguineum | bloody cranesbill | Geraniaceae |
Geranium spp. and/ or cvs. | geranium, cranesbill | Geraniaceae |
Geranium x oxonianum | pink cranesbill | Geraniaceae |
Gerbera jamesonii (incl. hybrids) | Transvaal daisy | Asteraceae |
Geum coccineum | dwarf orange geum, avens | Rosaceae |
Geum macrophyllum | large-leaved avens | Rosaceae |
Gibasis geniculata | Tahitian bridal veil | Commelinaceae |
Ginkgo biloba | maidenhair tree, ginkgo | Ginkgoaceae |
Gladiolus cv. | gladiolus, gladioli | Iridaceae |
Glechoma hederacea | creeping Charlie, ground ivy | Lamiaceae |
Gleditsia triacanthos f. inermis | thornless honey locust | Fabaceae |
Glyceria maxima 'Variegata' | variegated manna grass | Poaceae |
Gnaphalium uliginosum | marsh cudweed | Asteraceae |
Gunnera manicata | gunnera, giant rhubarb | Gunneraceae |
Guzmania lingulata | scarlet star, vase plant | Bromeliaceae |
Gymnocarpium dryopteris | oak fern | Cystopteridaceae |
Gymnocladus dioica | Kentucky coffee tree | Fabaceae |
Gynura aurantiaca | purple passion plant | Asteraceae |
Gypsophila paniculata | baby's breath | Caryophyllaceae |
Hakonechloa macra | golden variegated hakonechloa | Poaceae |
Halesia carolina | Carolina silverbell | Styracaceae |
Hamamelis mollis | Chinese witch hazel | Hamamelidaceae |
Hamamelis virginiana | American witch hazel | Hamamelidaceae |
Hamamelis x intermedia | hybrid witch hazel | Hamamelidaceae |
Hatiora x graeseri | Easter cactus | Cactaceae |
Haworthia attenuata | zebra haworthia | Asphodelaceae |
Hebe 'Blue Mist' ( syn. Veronica ) | Blue Mist hebe | Plantaginaceae |
Hebe 'Mrs. Winder' ( syn. Veronica ) | Mrs. Winder hebe | Plantaginaceae |
Hebe ochracea ( syn. Veronica ) | ochre whipcord hebe | Plantaginaceae |
Hebe odora ( syn. Veronica ) | hebe | Plantaginaceae |
Hedera colchica 'Sulfur Heart' | variegated Persian ivy | Araliaceae |
Hedera helix | English ivy | Araliaceae |
Helenium autumnale 'Zimbelstern' | Zimbelstern sneezeweed | Asteraceae |
Helianthemum nummularium | rock rose | Cistaceae |
Helianthus annuus cvs. | sunflower | Asteraceae |
Helianthus tuberosus | Jerusalem artichoke | Asteraceae |
Helichrysum italicum | curry plant, tall curry | Asteraceae |
Helichrysum petiolare cvs. | licorice plant | Asteraceae |
Helichrysum thianschanicum | silver spike | Asteraceae |
Heliconia spp. | heliconia, lobster claw | Heliconiaceae |
Helictotrichon sempervirens | blue oat grass | Poaceae |
Heliopsis helianthoides | false sunflower, oxeye sunflower | Asteraceae |
Heliotropium arborescens cvs. | heliotrope, cherry pie | Boraginaceae |
Helleborus foetidus | stinking hellebore | Ranunculaceae |
Helleborus x hybridus | hybrid Lenten rose | Ranunculaceae |
Hemerocallis cvs. | daylily | Asphodelaceae |
Heptapleurum actinophyllum ( syn. Schefflera actinophylla ) | umbrella plant, Australian umbrella tree | Araliaceae |
Heracleum lanatum | cow parsnip | Apiaceae |
Heracleum mantegazzianum | giant hogweed | Apiaceae |
Herniaria glabra | rupturewort, green carpet | Caryophyllaceae |
Hesperantha coccinea | crimson flag, river lily | Iridaceae |
Heuchera americana cvs. | fancy-leaved coral bells | Saxifragaceae |
Heuchera cvs. | coral bells, alumroot | Saxifragaceae |
Heuchera micrantha cvs. | fancy-leafed coral bells, small-flowered alumroot, crevice alumroot | Saxifragaceae |
Heuchera micrantha var. diversifolia 'Palace Purple' | Palace Purple alumroot | Saxifragaceae |
Heuchera sanguinea | coral bells, red coral bells | Saxifragaceae |
Heuchera x brizoides | hybrid coral bells, fancy-leaved coral bells | Saxifragaceae |
Heuchera x villosa | coral bells | Saxifragaceae |
Hibiscus acetosella | cranberry hibiscus, African rosemallow, false roselle | Malvaceae |
Hibiscus moscheutos (incl. hybrid cvs.) | hardy hibiscus, swamp rose mallow | Malvaceae |
Hibiscus rosa-sinensis | Chinese hibiscus | Malvaceae |
Hibiscus syriacus | hardy hibiscus, rose of Sharon | Malvaceae |
Hieracium aurantiacum ( syn. Pilosella aurantiaca ) | orange hawkweed | Asteraceae |
Hippeastrum cvs. | amaryllis | Amaryllidaceae |
Holcus lanatus | velvet grass | Poaceae |
Holodiscus discolor | oceanspray | Rosaceae |
Hordeum vulgare | barley | Poaceae |
Hosta 'Halcyon' | Halcyon hosta | Asparagaceae |
Hosta 'June' | June hosta | Asparagaceae |
Hosta cvs. | hosta, plantain lily | Asparagaceae |
Hosta sieboldiana | blue hosta | Asparagaceae |
Hottonia palustris | water violet | Primulaceae |
Houstonia serpyllifolia | thyme-leaved bluets | Rubiaceae |
Houttuynia cordata 'Chameleon' | tricolor houttuynia, chameleon plant | Saururaceae |
Hoya carnosa | wax plant | Apocynaceae |
Humulus lupulus | common hop | Cannabaceae |
Hyacinthoides non-scripta | English bluebell | Asparagaceae |
Hyacinthus orientalis (cvs. & hybrids) | hyacinth | Asparagaceae |
Hydrangea arborescens | hills of snow, smooth hydrangea | Hydrangeaceae |
Hydrangea aspera | Chinese hydrangea, rough-leaved hydrangea | Hydrangeaceae |
Hydrangea macrophylla | bigleaf hydrangea | Hydrangeaceae |
Hydrangea paniculata | pee gee hydrangea | Hydrangeaceae |
Hydrangea petiolaris | climbing hydrangea | Hydrangeaceae |
Hydrangea quercifolia | oakleaf hydrangea | Hydrangeaceae |
Hylotelephium spectabile 'Herbstfreude' | autumn Joy sedum, hybrid stonecrop | Crassulaceae |
Hylotelephium telephium (incl. hybrid cvs. - syn. Sedum ) | autumn stonecrop | Crassulaceae |
Hymenocallis (Incl. hybrid cvs.) | spider lily, Peruvian daffodil | Amaryllidaceae |
Hypericum calycinum | St. John's wort | Hypericaceae |
Hypericum perforatum | St. John's wort | Hypericaceae |
Hypericum x hidcoteense 'Hidcote' | Hidcote St. John's wort | Hypericaceae |
Hypochaeris radicata | false dandelion | Asteraceae |
Hypoestes phyllostachya | polka-dot plant | Acanthaceae |
Iberis sempervirens | evergreen candytuft, rock candytuft, candytuft | Brassicaceae |
Ilex aquifolium | English holly | Aquifoliaceae |
Ilex crenata | Japanese holly | Aquifoliaceae |
Ilex glabra cvs. | inkberry | Aquifoliaceae |
Ilex x altaclerensis | Highclere holly | Aquifoliaceae |
Ilex x meserveae | blue holly | Aquifoliaceae |
Impatiens capensis | jewelweed , orange balsam | Balsaminaceae |
Impatiens glandulifera | Himalayan balsam | Balsaminaceae |
Impatiens hawkeri | New Guinea impatiens | Balsaminaceae |
Impatiens walleriana | impatiens | Balsaminaceae |
Impatiens x hybrida | hybrid impatiens | Balsaminaceae |
Imperata cylindrica 'Red Baron' | Japanese blood grass | Poaceae |
Inula helenium | elecampane | Asteraceae |
Ipomoea batatas cvs. | sweet potato vine | Convolvulaceae |
Iresine herbstii | bloodleaf | Amaranthaceae |
Iris bucharica | Juno iris | Iridaceae |
Iris ensata | Japanese water iris | Iridaceae |
Iris pallida 'Variegata' | variegated sweet iris | Iridaceae |
Iris pseudacorus | yellow flag iris | Iridaceae |
Iris reticulata | dwarf iris | Iridaceae |
Iris sibirica | Siberian iris | Iridaceae |
Iris x germanica | German iris, tall bearded iris | Iridaceae |
Iris x hollandica | Dutch iris | Iridaceae |
Isolepis cernua | fiber optic grass | Cyperaceae |
Jacobaea maritima | dusty miller | Asteraceae |
Jasminum nudiflorum | winter jasmine | Oleaceae |
Jasminum polyanthum | jasmine | Oleaceae |
Juglans nigra | black walnut | Juglandaceae |
Juncus effusus | common rush, bog rush | Juncaceae |
Juncus effusus 'Spiralis' | corkscrew rush | Juncaceae |
Juncus ensifolius | dagger-leaved rush, swordleaf rush | Juncaceae |
Juniperus chinensis | Chinese juniper | Cupressaceae |
Juniperus communis | common juniper | Cupressaceae |
Juniperus horizontalis cvs. | creeping juniper, horizontal juniper | Cupressaceae |
Juniperus procumbens | Japanese garden juniper, green mound weeping juniper | Cupressaceae |
Juniperus sabina | tamarix juniper, savin juniper | Cupressaceae |
Juniperus scopulorum cvs. | Rocky Mountain juniper, Wichita Blue juniper, Tolleson's Blue Weeping juniper | Cupressaceae |
Juniperus squamata | squamata juniper, Blue Star juniper | Cupressaceae |
Juniperus virginiana | eastern red cedar | Cupressaceae |
Justicia brandegeana | shrimp plant | Acanthaceae |
Kalanchoe blossfeldiana | kalanchoe | Crassulaceae |
Kalanchoe tomentosa | panda plant | Crassulaceae |
Kalmia latifolia | mountain laurel | Ericaceae |
Kalmia microphylla | western bog laurel | Ericaceae |
Kerria japonica | Japanese kerria | Rosaceae |
Kirengeshoma palmata | yellow waxbells | Hydrangeaceae |
Knautia arvensis | field scabious | Caprifoliaceae |
Knautia macedonica | crimson scabious | Caprifoliaceae |
Kniphofia uvaria (incl. hybrids) | red hot poker | Asphodelaceae |
Koeleria glauca | blue hair grass | Poaceae |
Koelreuteria paniculata | golden rain tree | Sapindaceae |
Kolkwitzia amabilis | beautybush | Caprifoliaceae |
Laburnum x watereri | golden chain tree | Fabaceae |
Lactuca muralis | wall lettuce | Asteraceae |
Lactuca sativa | lettuce | Asteraceae |
Lagenaria spp. | gourd | Cucurbitaceae |
Lagerstroemia fauriei (incl. hybrids) | Japanese crape myrtle | Lythraceae |
Lamium galeobdolon 'Variegatum' | lamium, variegated yellow archangel | Lamiaceae |
Lamium maculatum | spotted deadnettle, dead nettle | Lamiaceae |
Lamium purpureum | purple deadnettle | Lamiaceae |
Lampranthus spp. | trailing ice plant | Aizoaceae |
Lamprocapnos spectabilis ( syn. Dicentra ) | bleeding heart | Papaveraceae |
Lantana camara (incl. hybrids) | lantana | Verbenaceae |
Larix decidua | European larch | Pinaceae |
Larix kaempferi | Japanese larch | Pinaceae |
Larix laricina | tamarack, eastern larch, American larch | Pinaceae |
Larix occidentalis | western larch (seedling) | Pinaceae |
Lathyrus latifolius | perennial pea, everlasting pea | Fabaceae |
Lathyrus odoratus | sweet pea | Fabaceae |
Laurus nobilis | bay laurel | Lauraceae |
Lavandula angustifolia | English lavender | Lamiaceae |
Lavandula stoechas | French lavender, Spanish lavender | Lamiaceae |
Lemna minor | common duckweed | Araceae |
Leptinella squalida | brass buttons | Asteraceae |
Lespedeza thunbergii | purple bush clover | Fabaceae |
Leucanthemum vulgare | oxeye daisy | Asteraceae |
Leucanthemum x superbum | Shasta daisy | Asteraceae |
Leucojum aestivum | summer snowflake | Amaryllidaceae |
Leucothoe axillaris | coast leucothoe | Ericaceae |
Leucothoe fontanesiana 'Rainbow' | Rainbow leucothoe | Ericaceae |
Levisticum officinale | lovage, garden lovage | Apiaceae |
Lewisia cotyledon (incl. hybrids) | lewisia | Montiaceae |
Leycesteria formosa | Himalayan honeysuckle | Caprifoliaceae |
Liatris spicata | blazing star, liatris | Asteraceae |
Ligularia dentata | bigleaf goldenray | Asteraceae |
Ligularia stenocephala | ligularia | Asteraceae |
Ligustrum obtusifolium ( syn. L. amurense ) | Amur privet, border privet | Oleaceae |
Ligustrum vulgare | common privet | Oleaceae |
Lilium cvs. (Asiatic) | Asiatic hybrid lily | Liliaceae |
Lilium cvs. (Oriental) | Oriental hybrid lily | Liliaceae |
Lilium lancifolium | tiger lily | Liliaceae |
Lilium longiflorum | Easter lily | Liliaceae |
Limonium sinuatum | annual statice | Plumbaginaceae |
Linaria vulgaris | toadflax | Scrophulariaceae |
Linnaea borealis | twin flower | Caprifoliaceae |
Linum spp. | blue flax | Linaceae |
Liquidambar styraciflua | American sweetgum | Altingiaceae |
Liriodendron chinense | Chinese tulip tree | Magnoliaceae |
Liriodendron tulipifera | tulip tree, yellow poplar | Magnoliaceae |
Liriodendron tulipifera 'Aureomarginatum' | variegated tulip tree | Magnoliaceae |
Liriope muscari | big blue lilyturf, monkey grass | Asparagaceae |
Lithodora diffusa | blue lithospermum | Boraginaceae |
Lobelia cardinalis | cardinal flower | Campanulaceae |
Lobelia erinus | lobelia | Campanulaceae |
Lobelia pedunculata | matted pratia, trailing pratia | Campanulaceae |
Lobelia x speciosa | lobelia | Campanulaceae |
Lobularia maritima | sweet alyssum, alyssum | Brassicaceae |
Lolium multiflorum | annual ryegrass, Italian ryegrass | Poaceae |
Lolium perenne | perennial ryegrass | Poaceae |
Lonicera henryi | Henry honeysuckle | Caprifoliaceae |
Lonicera involucrata | black twinberry, bearberry honeysuckle | Caprifoliaceae |
Lonicera japonica | Japanese honeysuckle | Caprifoliaceae |
Lonicera nitida | boxleaf honeysuckle | Caprifoliaceae |
Lonicera nitida 'Red Tips' | boxleaf honeysuckle | Caprifoliaceae |
Lonicera pileata | privet honeysuckle | Caprifoliaceae |
Lonicera x brownii 'Dropmore Scarlet' | scarlet trumpet honeysuckle | Caprifoliaceae |
Lonicera xylosteum | fly honeysuckle, shrub honeysuckle | Caprifoliaceae |
Lophospermum erubescens | creeping gloxinia | Plantaginaceae |
Lophospermum purpusii | asarina | Plantaginaceae |
Lotus berthelotii | parrot's beak, coral gem, pelican's beak, lotus vine | Fabaceae |
Lunaria annua | silver dollar plant, money plant | Brassicaceae |
Lupinus polyphyllus (incl. hybrids) | lupine | Fabaceae |
Luzula nivea | snowy woodrush | Juncaceae |
Luzula sylvatica | greater woodrush | Juncaceae |
Lycianthes rantonnetii | blue potato bush | Solanaceae |
Lysichiton americanus | yellow skunk cabbage, swamp lantern | Araceae |
Lysimachia clethroides | gooseneck lysimachia | Primulaceae |
Lysimachia latifolia | starflower | Primulaceae |
Lysimachia nummularia | creeping Jenny, moneywort | Primulaceae |
Lysimachia punctata | circle flower, yellow loosestrife | Primulaceae |
Lythrum salicaria | purple loosestrife | Lythraceae |
Macleaya cordata | plume poppy | Papaveraceae |
Magnolia 'Caerhays Belle' | Caerhays Belle magnolia | Magnoliaceae |
Magnolia 'Galaxy' | Galaxy magnolia | Magnoliaceae |
Magnolia 'Susan' | Susan's magnolia | Magnoliaceae |
Magnolia denudata | Yulan magnolia, lily tree | Magnoliaceae |
Magnolia grandiflora | southern magnolia | Magnoliaceae |
Magnolia kobus | northern Japanese magnolia | Magnoliaceae |
Magnolia officinalis | Chinese magnolia, medical magnolia | Magnoliaceae |
Magnolia sieboldii | Oyama magnolia | Magnoliaceae |
Magnolia stellata | star magnolia | Magnoliaceae |
Magnolia x loebneri | Loebner magnolia | Magnoliaceae |
Magnolia x soulangeana | saucer magnolia | Magnoliaceae |
Mahonia aquifolium ( syn. Berberis ) | Oregon grape | Berberidaceae |
Mahonia nervosa ( syn. Berberis ) | longleaf mahonia, dull Oregon grape | Berberidaceae |
Mahonia repens ( syn. Berberis ) | creeping mahonia, creeping barberry | Berberidaceae |
Mahonia x media 'Charity' | charity mahonia | Berberidaceae |
Maianthemum dilatatum | false lily-of-the valley | Asparagaceae |
Maianthemum racemosum | false Solomon's seal | Asparagaceae |
Maianthemum stellatum | star-flowered false Solomon's seal | Asparagaceae |
Malus 'JFS-KW5' | Royal Raindrops crabapple | Rosaceae |
Malus floribunda | Japanese flowering crabapple | Rosaceae |
Malus fusca | Pacific crabapple | Rosaceae |
Malus sylvestris | European crabapple | Rosaceae |
Malus x domestica | apple | Rosaceae |
Malva neglecta | common mallow | Malvaceae |
Mandevilla splendens | shining mandevilla, pink mandevilla | Apocynaceae |
Manettia luteorubra | Brazilian firecracker, candy corn vine | Rubiaceae |
Maranta leuconeura | prayer plant, rabbit tracks | Marantaceae |
Maranta leuconeura 'Erythroneura' | red-veined prayer plant, herringbone plant | Marantaceae |
Maranta leuconeura var. kerchoviana | prayer plant, rabbit tracks | Marantaceae |
Marchantia polymorpha | thalloid liverwort, lung liverwort | Marchantiaceae |
Marsdenia floribunda ( syn. Stephanotis ) | Madagascar jasmine | Apocynaceae |
Matricaria discoidea | pineapple weed | Asteraceae |
Matteuccia struthiopteris | ostrich fern | Onocleaceae |
Matthiola incana | stock | Brassicaceae |
Meconopsis betonicifolia | Himalayan blue poppy | Papaveraceae |
Medicago lupulina | black medic | Fabaceae |
Meliosma pinnata var. oldhamii | meliosma | Sabiaceae |
Melissa officinalis | lemon balm | Lamiaceae |
Melliodendron xylocarpum | Chinese parasol | Styracaceae |
Melothria scabra | cucamelon | Cucurbitaceae |
Mentha cervina | water spearmint, Hart's pennyroyal | Lamiaceae |
Mentha spicata | spearmint | Lamiaceae |
Mentha suaveolens | apple mint | Lamiaceae |
Mentha x piperita | peppermint | Lamiaceae |
Mespilus germanica | medlar | Rosaceae |
Metasequoia glyptostroboides | dawn redwood | Cupressaceae |
Microbiota decussata | Siberian cypress | Cupressaceae |
Mikania ternata | plush vine | Asteraceae |
Mimulus aurantiacus | monkey flower | Phrymaceae |
Miscanthus sinensis | maiden grass | Poaceae |
Miscanthus sinensis 'Cosmopolitan' | variegated maiden grass | Poaceae |
Miscanthus sinensis 'Goliath' | Goliath maiden grass | Poaceae |
Miscanthus sinensis 'Gracillimus' | Gracillimus maiden grass | Poaceae |
Miscanthus sinensis 'Little Kitten' | Little Kitten maiden grass | Poaceae |
Miscanthus sinensis 'Morning Light' | variegated maiden grass | Poaceae |
Miscanthus sinensis 'Purpurascens' | orange flame grass | Poaceae |
Miscanthus sinensis 'Silberfeder' | silver feather maiden grass | Poaceae |
Miscanthus sinensis 'Strictus' | porcupine grass | Poaceae |
Miscanthus sinensis 'Yaku Jima' | dwarf maiden grass | Poaceae |
Miscanthus x giganteus | giant silver grass | Poaceae |
Molinia caerulea ssp. arundinacea 'Skyracer' | tall moor grass | Poaceae |
Molinia caerulea ssp. caerulea 'Variegata' | variegated moor grass | Poaceae |
Monarda didyma cvs. | bee balm | Lamiaceae |
Monopsis unidentata | monopsis | Campanulaceae |
Monstera deliciosa | Swiss cheese plant or hurricane plant | Araceae |
Morus alba 'Pendula' | weeping mulberry | Moraceae |
Muehlenbeckia complexa | creeping wire vine, maidenhair vine, mattress vine | Polygonaceae |
Mukdenia rossii | mukdenia | Saxifragaceae |
Musa sp. | banana | Musaceae |
Muscari armeniacum | grape hyacinth | Asparagaceae |
Myosotis sylvatica | garden forget-me-not | Boraginaceae |
Myrica californica | California wax myrtle, Pacific wax myrtle | Myricaceae |
Myrica gale | bog myrtle, sweet gale | Myricaceae |
Nandina domestica | heavenly bamboo | Berberidaceae |
Narcissus 'King Alfred' | King Alfred daffodil | Amaryllidaceae |
Narcissus cvs. | daffodil | Amaryllidaceae |
Nassella tenuissima ( syn. Stipa ) | narrow feather grass, Mexican feather grass, angel hair grass | Poaceae |
Nasturtium officinale | watercress | Brassicaceae |
Nematanthus gregarius | goldfish plant | Gesneriaceae |
Nemesia (incl. hybrids) | nemesia | Plantaginaceae |
Neoregelia carolinae | blushing bromeliad | Bromeliaceae |
Nepeta x faassenii cvs. | catmint | Lamiaceae |
Nephrolepis exaltata | Boston fern | Nephrolepidaceae |
Nerium oleander | oleander, rose bay | Apocynaceae |
Nicotiana alata | flowering tobacco, jasmine tobacco | Solanaceae |
Nicotiana sylvestris | flowering tobacco | Solanaceae |
Nicotiana x sanderae | flowering tobacco | Solanaceae |
Nothofagus antarctica | southern beech | Nothofagaceae |
Nuphar polysepala | yellow pond lily | Nymphaeaceae |
Nymphaea (incl. hybrids) | water lily | Nymphaeaceae |
Nyssa sinensis | Chinese tupelo | Nyssaceae |
Nyssa sylvatica | black gum | Nyssaceae |
Ocimum basilicum | sweet basil | Lamiaceae |
Oemleria cerasiformis | Oso berry, Indian plum | Rosaceae |
Oenothera biennis | evening primrose | Onagraceae |
Oenothera fremontii | evening primrose | Onagraceae |
Oenothera lindheimeri | wand flower, bee blossom | Onagraceae |
Olea europaea | hardy olive | Oleaceae |
Omphalodes cappadocica | Cappadocian navelwort, blue-eyed Mary | Boraginaceae |
Onoclea sensibilis | sensitive fern | Onocleaceae |
Ophiopogon planiscapus 'Nigrescens' | black mondo grass | Asparagaceae |
Oplopanax horridus | devil's club | Araliaceae |
Opuntia microdasys | bunny ears cactus | Cactaceae |
Origanum laevigatum 'Herrenhausen' | ornamental oregano | Lamiaceae |
Origanum majorana | sweet marjoram | Lamiaceae |
Origanum rotundifolium (incl. hybrids) | hop-like oregano, round-leaved oregano | Lamiaceae |
Origanum vulgare | oregano | Lamiaceae |
Ornithogalum spp. | star-of-Bethlehem | Asparagaceae |
Orostachys iwarenge | Chinese dunce cap | Crassulaceae |
Osmanthus decorus | lance leaf osmanthus | Oleaceae |
Osmanthus delavayi | tea olive | Oleaceae |
Osmanthus heterophyllus | variegated holly osmanthus, false holly | Oleaceae |
Osmanthus x burkwoodii | Burkwood osmanthus | Oleaceae |
Osmunda cinnamomea | cinnamon fern | Osmundaceae |
Osmunda regalis | royal fern | Osmundaceae |
Osteospermum cvs. | osteospermum, cape daisy | Asteraceae |
Ostrya virginiana | American hophornbeam, ironwood | Betulaceae |
Oxalis adenophylla | silver shamrock | Oxalidaceae |
Oxalis corniculata | creeping oxalis | Oxalidaceae |
Oxalis oregana | redwood sorrel | Oxalidaceae |
Oxalis triangularis | false shamrock | Oxalidaceae |
Oxydendrum arboreum | sorrel tree, sourwood | Ericaceae |
Pachira aquatica | money tree | Malvaceae |
Pachysandra terminalis | Japanese spurge | Buxaceae |
Pachystachys lutea | golden shrimp plant, lollipop plant | Acanthaceae |
Paeonia lactiflora (incl, hybrids) | garden peony, Chinese peony | Paeoniaceae |
Paeonia ludlowii (incl. hybrids) | Tibetan tree peony | Paeoniaceae |
Paeonia suffruticosa | tree peony | Paeoniaceae |
Panicum virgatum | switch grass | Poaceae |
Papaver nudicaule | Icelandic poppy, arctic poppy | Papaveraceae |
Papaver orientale | Oriental poppy | Papaveraceae |
Parrotia persica | Persian parrotia, Persian ironwood | Hamamelidaceae |
Parthenocissus henryana | Henryana parthenocissus, Chinese Virginia creeper | Vitaceae |
Parthenocissus quinquefolia | Virginia creeper | Vitaceae |
Parthenocissus tricuspidata | Boston ivy | Vitaceae |
Passiflora (incl. hybrids) | passion flower, passion vine | Passifloraceae |
Passiflora caerulea | blue passion flower, passion vine | Passifloraceae |
Paulownia tomentosa | princess tree, empress tree | Paulowniaceae |
Paxistima myrsinites | Oregon boxwood, false box | Celastraceae |
Pelargonium graveolens | rose geranium, citronella geranium | Geraniaceae |
Pelargonium peltatum | ivy-leaf geranium | Geraniaceae |
Pelargonium spp. | geranium | Geraniaceae |
Pelargonium x domesticum | pelargonium, regal geranium | Geraniaceae |
Pelargonium x hortorum | zonal geranium, bedding geranium, hybrid geranium | Geraniaceae |
Pellaea rotundifolia | button fern | Pteridaceae |
Peltandra virginica | arrow arum | Araceae |
Pennisetum alopecuroides | fountain grass | Poaceae |
Pennisetum glaucum 'Purple Majesty' | purple ornamental millet | Poaceae |
Pennisetum massaicum 'Red Bunny Tails' | Red Bunny Tails | Poaceae |
Pennisetum orientale | oriental fountain grass | Poaceae |
Pennisetum setaceum | fountain grass | Poaceae |
Penstemon barbatus (incl. hybrids) | beard tongue | Plantaginaceae |
Penstemon cvs. | beard tongue | Plantaginaceae |
Penstemon digitalis | smooth beard tongue | Plantaginaceae |
Peperomia argyreia | watermelon peperomia | Piperaceae |
Peperomia caperata | emerald ripple peperomia | Piperaceae |
Peperomia griseoargentea | silver-leaf peperomia, platinum pepper | Piperaceae |
Peperomia magnoliifolia | spoon leaf peperomia | Piperaceae |
Peperomia obtusifolia | baby rubber plant, blunt-leaved peperomia | Piperaceae |
Peperomia quadrangularis | beetle peperomia, radiator plant | Piperaceae |
Pericallis x hybrida | cineraria , Senetti daisy | Asteraceae |
Perovskia atriplicifolia ( syn. Salvia yangii ) | Russian sage | Lamiaceae |
Persicaria affinis ( syn. Bistorta affinis ) | dwarf fleeceflower , Himalayan knotweed | Polygonaceae |
Persicaria amplexicaulis | mountain fleeceflower | Polygonaceae |
Persicaria bistorta | European bistort, snakeweed | Polygonaceae |
Persicaria campanulata | lesser knotweed | Polygonaceae |
Persicaria maculosa ( syn. Polygonum persicaria ) | smartweed, lady's thumb | Polygonaceae |
Persicaria microcephala 'Red Dragon' | Red Dragon knotweed | Polygonaceae |
Persicaria virginiana 'Painter's Palette' | Painter's Palette fleeceflower | Polygonaceae |
Petasites japonicus | giant butterbur | Asteraceae |
Petroselinum crispum | parsley | Apiaceae |
Petunia x hybrida | petunia, Supertunia mini | Solanaceae |
Phacelia tanacetifolia | fiddleneck, lacy phacelia | Boraginaceae |
Phalaenopsis cvs. | moth orchid | Orchidaceae |
Phalaris arundinacea | reed canary grass, ribbon grass | Poaceae |
Phaseolus coccineus | scarlet runner bean | Fabaceae |
Phaseolus vulgaris | common bean, black bean, kidney bean, pinto bean, French bean | Fabaceae |
Phedimus kamtschaticus ( syn. Sedum kamtschaticum ) | orange stonecrop, Russian stonecrop | Crassulaceae |
Phegopteris decursive-pinnata | Japanese beech fern | Thelypteridaceae |
Philadelphus coronarius | mock orange | Hydrangeaceae |
Philadelphus lewisii | Lewis mock orange | Hydrangeaceae |
Philadelphus x virginalis | virginal mock orange | Hydrangeaceae |
Philodendron hederaceum | heart-leaf philodendron | Araceae |
Philodendron x hybrida | hybrid philodendron | Araceae |
Phlomis russeliana | sticky Jerusalem sage | Lamiaceae |
Phlox drummondii | annual phlox | Polemoniaceae |
Phlox paniculata | summer phlox, border phlox, common phlox | Polemoniaceae |
Phlox subulata | creeping phlox, moss phlox | Polemoniaceae |
Phoenix roebelenii | Pygmy date palm | Arecaceae |
Phormium tenax | New Zealand flax | Asphodelaceae |
Photinia x fraseri | photinia | Rosaceae |
Phygelius x rectus | cape fuchsia | Scrophulariaceae |
Phyllostachys aurea | gold stem bamboo, golden bamboo | Poaceae |
Phyllostachys nigra | blackstem bamboo | Poaceae |
Physalis alkekengi | Chinese lantern | Solanaceae |
Physalis philadelphica | tomatillo , Mexican husk tomato | Solanaceae |
Physocarpus capitatus | Pacific ninebark | Rosaceae |
Physocarpus opulifolius | common ninebark | Rosaceae |
Physostegia virginiana | obedient plant, false dragonhead | Lamiaceae |
Picea abies | Norway spruce | Pinaceae |
Picea abies 'Acrocona' | Acrocona Norway spruce | Pinaceae |
Picea abies 'Nidiformis' | nest spruce | Pinaceae |
Picea abies 'Pendula' | weeping Norway spruce | Pinaceae |
Picea abies 'Reflexa' | weeping Norway spruce, cat tail spruce | Pinaceae |
Picea glauca | white spruce | Pinaceae |
Picea glauca 'Conica' | dwarf Alberta spruce | Pinaceae |
Picea mariana | black spruce | Pinaceae |
Picea omorika | Serbian spruce | Pinaceae |
Picea orientalis | oriental spruce | Pinaceae |
Picea pungens 'Glauca Globosa' | blue globe Colorado spruce | Pinaceae |
Picea pungens f. glauca | Colorado blue spruce, Colorado spruce | Pinaceae |
Picea sitchensis | Sitka spruce | Pinaceae |
Pieris japonica | lily-of-the-valley shrub, Japanese pieris | Ericaceae |
Pilea cadierei | aluminum plant | Urticaceae |
Pilea depressa | artillery plant, giant baby's tears | Urticaceae |
Pilea involucrata ( syn. Pilea mollis ) | friendship plant | Urticaceae |
Pilea nummulariifolia | creeping Charlie | Urticaceae |
Pinus aristata | bristlecone pine | Pinaceae |
Pinus cembra 'Glauca' | blue Swiss stone pine | Pinaceae |
Pinus contorta var. contorta | shore pine | Pinaceae |
Pinus contorta var. latifolia | interior lodgepole pine (seedling) | Pinaceae |
Pinus densiflora | Japanese red pine | Pinaceae |
Pinus flexilis 'Vanderwolf's Pyramid' | limber pine, Vanderwolf's pyramid pine | Pinaceae |
Pinus heldreichii | Bosnian pine | Pinaceae |
Pinus koraiensis | Korean pine | Pinaceae |
Pinus monticola | western white pine (seedling) | Pinaceae |
Pinus mugo | mugo pine, Swiss mountain pine | Pinaceae |
Pinus nigra | Austrian pine, black pine | Pinaceae |
Pinus parviflora | Japanese white pine | Pinaceae |
Pinus ponderosa | Ponderosa pine, yellow pine | Pinaceae |
Pinus strobiformis | southwestern white pine, Mexican white pine (seedling) | Pinaceae |
Pinus strobus | eastern white pine | Pinaceae |
Pinus strobus 'Radiata' | dwarf eastern white pine | Pinaceae |
Pinus sylvestris | Scots pine | Pinaceae |
Pinus sylvestris cvs. | Scots pine (cultivars) | Pinaceae |
Pinus thunbergii | Japanese black pine | Pinaceae |
Pinus wallichiana | Himalayan pine, Butan pine, blue pine | Pinaceae |
Pistia stratiotes | water lettuce | Araceae |
Pisum sativum | garden pea | Fabaceae |
Plantago lanceolata | narrow-leaved plantain | Plantaginaceae |
Plantago major | broad-leaved plantain | Plantaginaceae |
Platanus x acerifolia ( syn. P. x hispanica ) | London plane | Platanaceae |
Platanus orientalis | oriental plane tree, oriental sycamore | Platanaceae |
Platycerium bifurcatum | staghorn fern | Polypodiaceae |
Platycladus orientalis 'Aurea Nana' | dwarf golden cedar, oriental arborvitae | Cupressaceae |
Platycodon grandiflorus | balloon flower | Campanulaceae |
Plectranthus scutellarioides hybrids & cvs. ( syn. Solenostemon ) | coleus | Lamiaceae |
Plectranthus verticillatus | Swedish ivy | Lamiaceae |
Plerandra elegantissima ( syn. Schefflera ) | false aralia | Araliaceae |
Plumbago auriculata | blue plumbago, cape leadwort | Plumbaginaceae |
Poa annua | annual bluegrass | Poaceae |
Poa annua var. reptans | creeping bluegrass | Poaceae |
Poa compressa | Canada bluegrass | Poaceae |
Poa pratensis | Kentucky bluegrass | Poaceae |
Poa supina | supina bluegrass | Poaceae |
Poa trivialis | rough bluegrass, rough-stalked meadow grass | Poaceae |
Podocarpus lawrencei ( syn. P. alpinus ) | Tasmanian podocarp | Podocarpaceae |
Podocarpus macrophyllus | Buddhist pine, Japanese yew | Podocarpaceae |
Podocarpus nivalis | alpine totara, mountain totara | Podocarpaceae |
Polemonium caeruleum | Jacob's ladder | Polemoniaceae |
Polianthes tuberosa | tuberose | Asparagaceae |
Polygonatum biflorum | Solomon's seal | Asparagaceae |
Polygonum aviculare | prostrate knotweed | Polygonaceae |
Polypodium glycyrrhiza | licorice fern | Polypodiaceae |
Polyscias balfouriana | Balfour aralia | Araliaceae |
Polyscias fruticosa | Ming aralia | Araliaceae |
Polystichum braunii | Braun's holly fern | Dryopteridaceae |
Polystichum luctuosum ( syn. P. tsus-simense ) | Korean rock fern | Dryopteridaceae |
Polystichum munitum | western sword fern | Dryopteridaceae |
Polystichum polyblepharum | Japanese tassel fern | Dryopteridaceae |
Polystichum setiferum | hedge fern | Dryopteridaceae |
Pontederia cordata | pickerel weed | Pontederiaceae |
Populus alba | white poplar | Salicaceae |
Populus deltoides | plains cottonwood, necklace poplar | Salicaceae |
Populus nigra 'Italica' | Lombardy poplar | Salicaceae |
Populus tremula 'Erecta' | columnar European aspen, columnar Swedish poplar | Salicaceae |
Populus tremuloides | trembling aspen , white poplar | Salicaceae |
Populus trichocarpa | black cottonwood, western balsam-poplar | Salicaceae |
Portulaca grandiflora | portulaca | Portulacaceae |
Portulaca oleracea | purslane | Portulacaceae |
Potentilla fruticosa ( syn. Dasiphora fruticosa ) | potentilla, cinquefoil | Rosaceae |
Potentilla nepalensis | Asian cinquefoil, strawberry cinquefoil | Rosaceae |
Primula auricula | mountain cowslip | Primulaceae |
Primula denticulata | drumstick primrose | Primulaceae |
Primula malacoides | fairy primrose | Primulaceae |
Primula pauciflora (syn. Dodecatheon pulchellum ) | shooting star | Primulaceae |
Primula spp. | primrose | Primulaceae |
Primula vulgaris (incl. hybrids) | primula, primrose | Primulaceae |
Prunella vulgaris | self-heal | Lamiaceae |
Prunus 'Kanzan' ( syn. P. 'Kwanzan' ) | flowering cherry, Kwanzan cherry, Kanzan cherry | Rosaceae |
Prunus 'Shirotae' | Mount Fuji cherry | Rosaceae |
Prunus (hybrid cvs.) | ornamental cherry tree | Rosaceae |
Prunus americana | American plum | Rosaceae |
Prunus avium | sweet cherry, bird cherry | Rosaceae |
Prunus cerasifera 'Pissardii' | Pissard plum | Rosaceae |
Prunus laurocerasus | English laurel, cherry laurel | Rosaceae |
Prunus laurocerasus 'Otto Luyken' | Otto Luyken laurel | Rosaceae |
Prunus laurocerasus 'Zabeliana' | Zabel laurel | Rosaceae |
Prunus lusitanica | Portugal laurel | Rosaceae |
Prunus padus | European bird cherry | Rosaceae |
Prunus subhirtella 'Pendula Plena Rosea' | double weeping Higan cherry | Rosaceae |
Prunus virginiana | chokecherry | Rosaceae |
Prunus x yedoensis | Yoshino cherry | Rosaceae |
Pseudofumaria lutea | yellow corydalis | Papaveraceae |
Pseudotsuga menziesii | Douglas fir | Pinaceae |
Pteris cretica | table fern, ribbon fern, Cretan brake fern | Pteridaceae |
Pteris ensiformis | table fern, silver lace fern, variegated brake fern | Pteridaceae |
Pterocarya spp. | wingnut | Juglandaceae |
Pulmonaria saccharata | lungwort | Boraginaceae |
Pulsatilla vulgaris | pasque flower | Ranunculaceae |
Purshia tridentata | antelope bitterbrush | Rosaceae |
Pyracantha coccinea | pyracantha, scarlet firethorn | Rosaceae |
Pyracantha fortuneana | Chinese firethorn | Rosaceae |
Pyracantha koidzumii | Formosa firethorn, Taiwan firethorn | Rosaceae |
Pyrus calleryana | ornamental pear, Callery pear | Rosaceae |
Pyrus communis | European pear, common pear | Rosaceae |
Pyrus pyrifolia | Asian pear | Rosaceae |
Pyrus salicifolia | willowleaf pear | Rosaceae |
Quercus acutissima | sawtooth oak | Fagaceae |
Quercus alba | white oak | Fagaceae |
Quercus coccinea | scarlet oak | Fagaceae |
Quercus garryana | Garry oak | Fagaceae |
Quercus macrocarpa | bur oak | Fagaceae |
Quercus palustris | pin oak | Fagaceae |
Quercus phellos | willow oak | Fagaceae |
Quercus robur | English oak | Fagaceae |
Quercus rubra | red oak | Fagaceae |
Quercus x warei 'Long' | Regal Prince oak | Fagaceae |
Radermachera sinica | China doll | Bignoniaceae |
Ranunculus asiaticus | ranunculus, Persian buttercup | Ranunculaceae |
Ranunculus ficaria | lesser celandine, pilewort | Ranunculaceae |
Ranunculus repens | creeping buttercup | Ranunculaceae |
Raoulia australis | scab plant, scabwort, common mat daisy | Asteraceae |
Raphanus sativus | radish | Brassicaceae |
Ravenea rivularis | majesty palm | Arecaceae |
Rehderodendron macrocarpum | Chinese rehderodendron | Styracaceae |
Rhapis excelsa | lady palm | Arecaceae |
Rheum palmatum | Chinese rhubarb, ornamental rhubarb | Polygonaceae |
Rheum rhabarbarum | rhubarb | Polygonaceae |
Rhododendron | deciduous hybrid azalea | Ericaceae |
Rhododendron 'Blue Diamond' | Blue Diamond rhododendron | Ericaceae |
Rhododendron 'Coral Bells' | pink hose in hose azalea, Kurume evergreen azalea | Ericaceae |
Rhododendron 'Hino Crimson' | Hino Crimson azalea | Ericaceae |
Rhododendron 'PJM' | PJM rhododendron | Ericaceae |
Rhododendron 'Purple Splendor' | purple splendor azalea | Ericaceae |
Rhododendron 'Unique' | Unique rhododendron | Ericaceae |
Rhododendron (evergreen spp. & cvs.) | rhododendron | Ericaceae |
Rhododendron cv. | azalea | Ericaceae |
Rhododendron groenlandicum | Labrador tea | Ericaceae |
Rhododendron impeditum | impeditum rhododendron | Ericaceae |
Rhododendron macrophyllum | Pacific rhododendron | Ericaceae |
Rhodohypoxis baurii | starflower, red-star | Hypoxidaceae |
Rhodotypos scandens | black jetbead | Rosaceae |
Rhus glabra | smooth sumac | Anacardiaceae |
Rhus typhina | staghorn sumac | Anacardiaceae |
Ribes alpinum | alpine currant | Grossulariaceae |
Ribes divaricatum | coast black gooseberry, spreading gooseberry | Grossulariaceae |
Ribes nigrum | black currant | Grossulariaceae |
Ribes sanguineum | flowering currant, winter currant | Grossulariaceae |
Ribes uva-crispa | gooseberry | Grossulariaceae |
Ricinus communis | castor bean | Euphorbiaceae |
Robinia pseudoacacia | black locust | Fabaceae |
Rodgersia aesculifolia | fingerleaf rodgersia | Saxifragaceae |
Rodgersia pinnata | rodgersia | Saxifragaceae |
Rosa 'Ballerina' | Ballerina rose, hybrid musk rose | Rosaceae |
Rosa 'Golden Wings' | Golden Wings rose, hybrid pimpinellifolia shrub rose | Rosaceae |
Rosa 'Jacqueline du Pre' | Jacqueline du Pre rose | Rosaceae |
Rosa 'Macdub' | Dublin Bay rose, floribunda climbing rose | Rosaceae |
Rosa 'Meidomonac' | Bonica rose, floribunda rose | Rosaceae |
Rosa 'The Fairy' | polyantha rose | Rosaceae |
Rosa cvs. | hybrid tea rose, cut flower rose, miniature potted rose | Rosaceae |
Rosa Meineble cvs. | Meidiland carpet rose | Rosaceae |
Rosa nutkana | Nootka rose | Rosaceae |
Rosa rugosa | rugosa rose | Rosaceae |
Rosa woodsii | native rose, Wood's rose | Rosaceae |
Rosmarinus officinalis | rosemary | Lamiaceae |
Rubus armeniacus | Himalayan blackberry | Rosaceae |
Rubus fruticosus 'Black Satin' | thornless blackberry | Rosaceae |
Rubus idaeus | raspberry | Rosaceae |
Rubus laciniatus | cutleaf evergreen blackberry | Rosaceae |
Rubus parviflorus | thimbleberry | Rosaceae |
Rubus rolfei 'Emerald Carpet' | Formosan Carpet rubus, creeping Taiwan bramble | Rosaceae |
Rubus spectabilis | salmonberry | Rosaceae |
Rubus ursinus x idaeus | boysenberry | Rosaceae |
Rudbeckia fulgida | black-eyed Susan | Asteraceae |
Rudbeckia hirta | black-eyed Susan, gloriosa daisy | Asteraceae |
Rudbeckia laciniata 'Herbstsonne' | autumn sun coneflower | Asteraceae |
Rudbeckia occidentalis 'Green Wizard' | Green Wizard coneflower, western coneflower | Asteraceae |
Ruellia brittoniana | Mexican petunia | Acanthaceae |
Rumex acetosella < |