Scientific Name:
Cotinus coggygria
Pronunciation:
KOTT-ih-nus kog-GIG-ree-uh ko-TI-nus ko-GIG-ri-a
Common Name:
smoke bush
Family Name:
Anacardiaceae
Plant Type:
Shrub - deciduous
Key ID Features:
Leaves alternate, green to dark purple (cvs.), ovate to obovate, most blades 5-10cm long x 3-7cm wide, glabrous, pale on lower surface, margin entire, most petioles 2-3cm long; florets 4-5mm wide, in a panicle-like inflorescences 15-20cm long, pinkish to dark purple with smoke-like appearance in summer; drupes flattened, 2-4mm long, at the end of fluffy pedicels. Winter ID: buds ovoid, pointed, 1-2mm long; lenticels and bundle scars (3) prominent, pedicels and a few persistent fruit may be present.
Habit:
Open, Spreading, Upright
Form:
Round
Texture:
Medium
Mature Height:
3 - 5m
Mature Spread:
4 - 5m
Growth Rate:
Moderate
Origin:
Europe
Hardiness Rating:
Zone 5: (-29 to -23 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Well-drained
Water Use:
Low
Landscape Uses:
Accent plant, Fall interest, Screening
Additional Info:
Google. Cultivars shown or on campus may include C.'Purpureus', C. 'Royal Purple', and C. 'Velvet Cloak'. Compare to American smoke tree.
Leaf Morphology:
Form:
Simple
Arrangement:
Alternate
Texture/Venation:
Soft flexible
Surfaces:
Glabrous
Colour in Summer:
Bluish, Green, Yellow, Purple, Dark-red
Colour in Fall:
Purple, Red, Dark-red
Shapes:
Obovate, Ovate
Apices:
Emarginate or retuse
Bases:
Cuneate
Margins:
Entire
Additional Info:
Spectacular fall colour
Inflorescence Type:
Thyrse, Panicle-like
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Rotate/stellate
Ovary Position:
Superior
Colour (petals):
Showy, Yellow
Flower Scent:
None
Flower Time at Peak:
Jun, Jul
Fruit Type:
Drupe
Fruit Colour:
Brown
Fruiting Time:
Aug, Sep
Additional Info:
Not showy
Bark Morphology:
Plated, Lightly fissured
Bark or Stem Colour:
Grey, Brown
Leaf Bud Type:
Ovoid
Leaf Scar Shape:
Half-round
Propagation:
Seed, Cuttings
Pest Susceptibility:
Rust, Scale insects, Wilt (Deer resistant, Drought tolerant)
Course(s):
- AARB 1012
- CLT Training
- HORT 1155
- Level 2 Apprenticeship
Location(s):
- (BUG) BUG garden : cv. Royal Purple - dead?
- (ONW) Overpass North side West : sp. and cvs. Purpureus, Royal Purple