Scientific Name:
Rosa nutkana
Pronunciation:
ROE-zuh nut-KAY-nuh
Common Name:
Nootka rose
Family Name:
Rosaceae
Plant Type:
Shrub - deciduous
Key ID Features:
Medium to tall shrub (0.5-) 1.5-3m tall, spreading by rhizomes and often thicket-forming; stems stout to spindly, erect to arching, prickles usually straight with broad base, and in pairs at each node (usually lacking internodal prickles); mature stems blackish; leaflets ovate to elliptic (1-)2-5(-9)cm long, coarsely double-toothed (common on coast) or single (east of the Cascade Mountains); flowers (4-)5-7(-8)cm wide, usually solitary (or 2 or 3 in a cluster); petals (2) 2.5-4cm long, bright red to purple-pink (rarely white); sepals 1.5-4cm long, persistent; hips globe- to pear-shaped, 1-2cm long, ripens into a purplish-red, with numerous achenes. (Modified from E-Flora BC. and the Index of Garden Plants)
Habit:
Arching, Dense, Spreading, Twiggy, Upright
Form:
Round
Texture:
Medium
Mature Height:
2 - 3m
Mature Spread:
2 - 3m
Growth Rate:
Fast
Origin:
B.C. west of Cascades, U.S. - northwest
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Humus rich, Rocky or gravelly or dry
Water Use:
Low
Landscape Uses:
Attract beneficial insects, Attract birds, Erosion control, Fall interest, Forestry, Fragrance, Ground cover, Group or mass planting, Hedge row, Herb, Mixed shrub border, Reclamation, Screening, Summer interest, Wildlife food, Woodland margin
Additional Info:
Google. Local variety (var. nutkana) occurs mostly occurs west of Coast-Cascade Mountains, has doubly saw-toothed leaflets and the teeth are gland-tipped; prickles becoming much enlarged and flattened toward base. East of Coast-Cascade Mountains var. hispida has singly saw-toothed leaflets, the teeth not gland-tipped; prickles are rarely enlarged and flattened. Morphologically similar to Rosa woodsii, but sepals have glandular trichomes on back of flower. (Modified from E-Flora BC.)
Leaf Morphology:
Form:
Compound
Arrangement:
Alternate
Texture/Venation:
Soft flexible
Surfaces:
Glandular hairs
Compound Leaf:
Odd-pinnate
Colour in Fall:
Green, Green-yellow
Shapes:
Elliptic, Ovate
Apices:
Acute, Obtuse
Margins:
Serrate
Inflorescence Type:
Flowers solitary, Floriferous
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Rotate/stellate
Ovary Position:
Perigynous
Colour (petals):
Showy, Pink
Flower Scent:
Fragrant, Sweet
Flower Time at Peak:
Jun, Jul
Additional Info:
usually solitary on branchlets or in groups of 2 or 3; 5 to 7.5cm wide; petals 2.5 to 4cm long; sepals bristly; pedicels bristly; many simple pistils
Fruit Type:
Aggregate fruit, Achene
Fruit Colour:
Red
Fruiting Time:
Aug, Sep, Oct
Additional Info:
Showy, Accessory tissue, Persistent, Rose hips have accessory tissue that forms the outer fleshy red-orange covering which is derived from the floral tube (hypanthium)
Bark Morphology:
Multi-stem trunk
Bark or Stem Colour:
Grey, Brown, Dark brown, Black
Organ Modifications:
Leaf-like bracts, Prickles, Rhizomes, Stipule, leafy
Propagation:
Seed, Cuttings
Maintenance:
Low
Pest Susceptibility:
Blight or needle cast, Canker or sap rot, Crown rot, Diptera - true flies, Fungal leaf spot, Galls, Mildew, Mites, Rust, Scale insects, Thrips, Virus (Drought tolerant)
Specific Pests:
Deer, Rabbits
Course(s):
- HORT 1155
Location(s):
- (BCE) Boulevard (Circular) Eastend
- (BHE) Boulevard by Hwy. 10 Eastend : confirm ID
- (TFL) Turf Field Lab