American Smoke Tree is a native deciduous tree that commands attention not for showy flowers, but for the ethereal clouds of feathery hairs that emerge after blooming, earning its distinctive common name. Native to southeast Missouri's limestone glades and rocky bluffs, this species grows 20 to 30 feet tall and wide, making it a substantial landscape presence in hardiness zones 4 through 8. The tiny, insignificant yellowish-green flowers arrive in June, but the real spectacle unfolds as the flower stalks develop into billowing, smoke-like plumes that persist through summer. Remarkably tough and adaptable, it thrives in poor, rocky soils where many trees struggle and shrugs off both deer and drought with ease.
Full Sun
Moderate
4-8
360in H x 360in W
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Moderate
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Cotinus obovatus creates an almost surreal visual effect in mid to late summer when its delicate, hair-covered flower stalks transform into soft, billowing clouds that drift above the canopy like actual smoke. This native tree handles drought, clay soil, and rocky terrain that would defeat most ornamentals, yet asks little in return beyond full sun and decent drainage. The combination of striking seasonal drama, extreme toughness, and low maintenance requirements gives it genuine staying power in a landscape.
American Smoke Tree is valued primarily as an ornamental shade tree and focal point in landscapes, prized for its unique textural and visual interest during the summer months when the flower stalks develop their characteristic smoky appearance. Its native status makes it particularly valuable for regional landscaping, especially in the Midwest and Upper South where it supports local ecosystems. The tree also serves well in challenging growing conditions where ornamental value cannot be sacrificed despite poor soil quality and exposure.
No timeline data available yet for this variety.
Transplant container-grown or balled-and-burlapped trees in spring or fall. Space trees 20 to 30 feet apart to allow for mature width. Plant in full sun in well-drained soil, amending heavy clay with coarse sand or gravel if drainage is poor. Water thoroughly after planting and maintain consistent moisture for the first growing season.
Prune American Smoke Tree lightly to maintain its naturally rounded form and remove any dead, diseased, or crossing branches. Since the ornamental appeal depends on abundant flower production and the subsequent development of feathery seed stalks, avoid heavy pruning that removes flowering wood. Prune in late winter or early spring before new growth emerges.
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“The American Smoke Tree is native to the karst topography of southeast Missouri, particularly the limestone glades, rocky bluffs, and bald knobs in the White River region. This species represents a distinct branch of the Cotinus genus, adapted to the specific ecological conditions of the American Southeast rather than the Eurasian species (Cotinus coggygria) that was introduced to European gardens centuries ago. Its presence on Missouri's harsh limestone landscapes speaks to centuries of adaptation to poor, infertile soils and exposure, making it a true child of Ozark geology.”