American smoketree (Cotinus obovatus)

American smoketree

Also known as: American smokewood

The American Smoketree is a small, deciduous tree with decorative bark and fall foliage. Its large leaves are pink during the summer and slowly become green or blue as the season changes. It’s generally found in rocky limestone bluffs or glades, and it makes a striking accent in the garden.

Scientific classification

Species

American smoketree (Cotinus obovatus)

Maples, mangos, mahogany, citrus, and allies

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Perennial

Lifespan

Tree, Shrub

Plant Type

Mid spring, Late spring, Summer

Bloom Time

Early fall

Harvest Time

10 m

Plant Height

8 m

Spread

Green, Red, Orange, Purple

Leaf Color

15 cm to 25 cm

Flower Size

Pink, Brown, Copper

Fruit Color

Yellow, Pink, Green

Flower Color

Pink, Purple, Green, Red, Orange

Stem Color

Images of American smoketree

Quickly Identify American smoketree

Elliptical to obovate leaves with bluish-green hue, turning red-purple in fall.

Feathery flower clusters resembling smoke, blooming between June and July.

Dry, oblong drupe fruit measuring 5 mm, sparse on plant during summer.

Multi-trunked stem with gnarled limbs, rough grayish-brown bark with deep fissures.

Gray-brown bark with furrowed patterns, developing scaly plates that peel in patches.

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Care Guide for American smoketree

Every 3 weeks

Water

Full sun

Sunlight

5 - 35 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: American smoketree is drought-tolerant, thriving with infrequent but ample rainfall. Water every three weeks, allowing soil to dry partially. Its water needs decrease significantly during dormancy in colder months, particularly when grown outdoors.

Fertilize: For american smoketree, use balanced nutrition fertilizers in spring with a slow-release formula at half-strength. Water after fertilizing, reapplying every 6-8 weeks during growth, ceasing in late summer. Adjust amounts based on the plant's life stage and always follow label instructions for safety.

Pruning: American smoketree features vibrant fall foliage and a unique smoky look in summer. Essential pruning involves removing dead wood and thinning for air circulation, conducted in early spring to encourage health and blooming. Avoid over-pruning to maintain ornamental value.

Propagation: Propagation of american smoketree is best achieved using semi-hardwood cuttings from healthy plants, ensuring multiple leaf nodes are present. Treat cuttings with rooting hormone and plant in a well-draining medium. Maintaining proper moisture and temperature is crucial for successful rooting and growth of new american smoketree specimens.

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