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Scientific Name: Achillea millefolium cvs.
Pronunciation: ack-ih-LEE-uh mill-ih-FOE-lee-um
Common Name: yarrow cultivars
Family Name: Asteraceae
Plant Type: Herbaceous perennial
Key ID Features: Leaves basal, fern-like, deeply lobed; disk florets tiny, about 10 per head, ray floret with relatively large corollas, many small heads make a much larger corymb-like inflorescence which overall is cymose. (A. 'Moonshine' has hairy leaves, lightly scented bright yellow flower heads; A 'Apple Blossom' has unscented deep pink to white flower heads, inflorescence nearly flat-topped).
Course(s): HORT 1193/1293, HORT 2355

Habit: Spreading
Form: Mounded
Texture: Medium - fine
Mature Size:
Height:0.4 - 0.7m
Spread:0.3 - 0.6m
Growth Rate:Fast
Origin: Europe, Garden origin (Europe to west Asia)
Hardiness Rating: Zone 3: (-40 to -34 C)
Exposure: Full sun
Soil/ Growing Medium: Rocky or gravelly or dry
Water Use: Low, Summer dry
Landscape Uses: Attract beneficial insects, Attract butterflies, Container planting, Cut flower or foliage, Dried flower or fruit, Group or mass planting, Perennial border, Small garden/space, Summer interest
Additional Info: Google. Cultivars on campus may include: A. 'Cerise Queen' (GAZN), A. 'Citronella’ (GAZN), A. 'Moonshine' (GAZN), A. 'Paprika' (GAZW), A. ‘Terracotta’ (BUG), A. ‘Apple Blossom’, A. 'Strawberry Seduction'. Note: weedy forms have white flowers and produce rhizomes.
yarrow cultivars
Leaf Morphology: Glossary
Form: Compound, Dissected
Arrangement: Alternate, Basal
Texture/ Venation: Pinnate venation, Soft flexible
Surfaces: Distinctive smell
Compound Leaf: Bipinnate
Colour in Summer: Green, Silver / Grayish
Colour in Fall: Yellow, Silver / Grayish
Leaf(let) Terms:
Shapes: Lanceolate
Apices: Acute
Bases: Cuneate
Margins: Pectinate, Pinnately lobed

Inflorescence Type: Floriferous, Corymb-like, Head (capitulum)
Flower Morphology:Flowers perfect
Number of Petals:5
Corolla Shape:Ligulate
Ovary Position:Inferior
Colour (petals): Showy, White, Yellow, Pink
Flower Scent: Musky, Unpleasant
Flower Time at Peak: Jul, Aug, Sep
Additional Info: Ray florets pistillate

Fruit Type: Cypsela (achene + calyx)
Fruit Colour: Brown
Fruiting Time: Oct, Nov

Bark or Stem Colour:

Propagation: Division - below ground parts
Plant Care:
Pest Susceptibility: Rust, ( Pest resistant, Deer resistant, Rabbit resistant, Drought resistant )
(AGB) Acer Griseum Bed
(BCE) Boulevard (Circular) Eastend
(BUG) BUG garden : cv. Terracotta
(GAZ) GAZebo
(GAZN) GAZebo North : cvs. Cerise Queen, Citronella, Moonshine
(GAZW) GAZebo West : cv. Paprika
(NRY) NuRserY
(WLG) WoodLand Garden
Location Map

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