Cotinus coggygria is a large shrub to small tree that has ornamental pedicels above the foliage, resembling a cloud of smoke. Common Smokebush also has ornamental purple-foliaged forms.
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F E A T U R E S |
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Form
-large shrub or small tree
-to 12' tall x 12' wide
-spreading, rounded to irregular
-medium growth rate (12-18" per year) |
Foliage
-dark green to blue-green or purple (depending on cultivar); oval to obovate, entire leaves with prominent veins; alternate but becoming clustered at stem apex
-yellow, red, orange, purple, or yellowish green autumn color; inconsistent, but usually good |
Flowers
-inconspicuous
-ornamental effect is derived from the pedicels, which are large, multi-branched, and hairy, either green or purple-pink, and resembling a cloud of smoke hovering above the foliage; June-Sept. |
Fruit
-inconspicuous |
Twig
-smooth, somewhat flattened at apex; mature stems heavily lenticeled, brown-purple, with small dark buds |
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Trunk
-slightly furrowed
-light brown |
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C U L T
U R E
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Culture
-full sun to partial shade
-grows best in a sunny location and a
well-drained loam however, it is very useful in dry, rocky soil
-adaptable to various soils and pHs
-the most serious disease is Verticillium wilt; very susceptible; entire branches wilt and die; prune out infected branches, and fertilize and water the plant during dry weather
-oblique-banded leaf roller mines and rolls the leaves, usually in June; rarely occurs in sufficient numbers to warrant control; when it does occur, they can be picked off by hand
-abundantly available, especially foliage variants |
Hardiness
-zones 4 to 8
Origin
-native to Southern Europe and Central Asia
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U S A G E |
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Assets
-foliage color variants
-showy pedicels in summer
Liabilities
-some stem dieback due to various diseases |
Function
-rows, borders, specimen shrub, groups, mass plantings
Texture
-bold in foliage and when bare |
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S E L
E C T I 0 N S |
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Varieties
and Cultivars
- Search
OSU PlantFacts for additional plants in this species
Alternates
-shrubs with summer flowering effect; shrubs with purple or red-purple summer foliage; shrubs with bold textured branching |