Native to (or naturalized in) Oregon:
- Deciduous shrub/tree, 10-15 ft (3-4.5 m), spreading, loose, wide as high. Leaves alternate, simple, oval to obovate, 4-9 cm long, glabrous, margin entire, parallel veins, bluish green; sometimes foliage yellow, red-purple in fall. Showy pubescent pedicels and peduncles of flowers provide the "smoke" appearance.
- Sun; tough, adaptable to widely divergent soils and pH ranges, drought resistant.
- Hardy to USDA Zone 5 Native to southern Europe to central China and Himalayas.
The selections include:
- 'Daydream' - green foliage, pinkish flower clusters, slow growing.
- Golden Spirit™ ('Ancot', PP 13,082) - summer color gold to lime green which turn to shades of orange and red in fall, apparently does not flower. Reportedly does not scorch in full sun unless under stress.
- 'Nordine Red' ('Nordine') - bronze-red leaves, holds its color through the summer, reportedly hardier than other purple-leaf selections.
- 'Notcutts Variety' - purple-leaved, clusters purple-pink
- 'Pink Champagne' - green leafed selection with a slight burgundy margin, pink inflorescences, upright habit.
- 'Purpureus' (syn. var. purpureus) - green leaves, inflorescences purplish-pink, 10-15 ft tall and similar wide.
- 'Red Beauty' - red-purple leaves.
- 'Royal Purple' - common purple selection.
- 'Rubrifolius' - purple-leaved, but some green, flowers tinted red.
- 'Smoky Joe' - green-leaved, relatively compact.
- 'Velvet Cloak' - purple-leaved, does not turn green in summer, vivid red-purple fall color, purplish flower clusters, to 10-15 tall slightly less in width.
Some hybrid selections of C. coggygria and C. obovatus:
- 'Flame' - vigorous, pink clusters, orange-red fall foliage color.
- 'Grace' - large clusters, about 12 inches long and wide, purplish pink, wine-red leaves turn purple-scarlet in fall.
- Article on Smoketrees: Bruce Macdonald, American Nurseryman 200(3):34-36,38(2004) Aug. 1.
- Cotinus: from kotinos, Greek name for the olive. coggygria: from kokkugia, the Greek name