This material was developed by Carol Ness as part of the Interactive Design and Development Project funded by the Kellogg Foundation.While many ornamental trees and shrubs can be susceptible to diseases, Smoke Trees are considered disease resistant. This plant’s 1) “smoky” plumes during the summer, 2) the bluish green leaves of the species, or purple or yellow leaved forms, 3) the no less than spectacular fall foliage color, and 4) its drought tolerance make this a very attractive and useful plant in the landscape. Smokebush, pruned as a tree, will serve in most landscape applications where a small tree is needed. Smokebush, pruned as a shrub, can be used in mass to form a shrub border or as a single plant any where a large shrub is needed. Unfortunately, this species is generally not sold in garden centers so one has to purchase through mail order nurseries. “Smoky” plumes are showy but not as large as C. `Velvet cloak' is very similar to ‘Royal Purple’.Īmerican smoketree ( Cotinus obovatus) is a small tree (about 25 feet tall at maturity) with green or blue green leaves that turn a spectacular tones of yellow, red, orange, or purple in the fall. ‘Royal Purple’ has very dark purple leaves and has showy purple “smoky” plumes. This cultivar has very large pink-purple “smoky” plumes. Leaves emerge red-purple and turn blue green during the growing season. ‘Grace’ is a hybrid of Cotinus coggygria ‘Velvet Cloak’ and C. Golden SpiritTM has showy bright yellow foliage during the growing season. This plant is slower growing than other cultivars. ‘Daydream’ is a green leaf clone that has abundant brownish pink “smoky” plumes. ‘Black Velvet’ has dark purple leaves and showy “smoky” filaments. `Purpureus' has purple foliage and purplish fruiting plumes. Apparently, some cultivars are naturally denser than others (e.g., ‘Daydream’, Golden SpiritTM, and ‘Royal Purple’) Problems:Ĭonsult local garden centers, historic or public gardens and arboreta, regarding cultivars and related species that grow well in your area. This radical pruning will prevent the plant from flowering during the pruning period but the payoff is a much fuller plant than plants without pruning. If growing as a shrub form, prune plant to near ground level for the first two years or so to develop a dense multi-stem habit. If growing this species as a tree form, select one (or more) main trunks and prune to obtain a tree form. ![]() Smokebush has a tendency to put out long lanky stems which make the plant look straggly. One can grow this species as a small tree or shrub depending on the landscape application. Prefers full sun, but tolerates wide range of light conditions. Suggested uses for this plant include border, massing, and specimen plant. Soil Type: Sandy, loam, or clay pH Range: 3.7 to 6.8 Functions: ![]() Light: Partial shade to full sun Moisture: Moist to dry After flowering (with small relatively inconspicuous flowers) in spring, clusters of fine filaments associated with flowering give the appearance of “smoke”. Depending on cultivar leaves can be purple or yellow during the growing season. Smokebush is a small tree or large shrub depending on how one prunes the plant. Foliage: Deciduous broadleaf Height: 15 feet
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