Cotinus, American Smoketree, Purple Smoke Tree 'Grace'

Cotinus

Family
Anacardiaceae (an-a-kard-ee-AY-see-ee)
Genus
Cotinus (ko-TYE-nus)
Synonym
Sun Exposure
Full Sun
Foliage
Deciduous
Height
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
Spacing
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
Hardiness
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Danger
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Pink
Medium Purple
Bloom Time
Late Spring/Early Summer
Other Details
Category
Trees
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Burgundy/Maroon
Dark/Black
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Propagation Methods
By dividing the rootball
From softwood cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

This plant is said to grow outdoors in the following regions:

Denver, Colorado

Marietta, Georgia

Boise, Idaho

Aurora, Illinois

Oak Park, Illinois

Saint Charles, Illinois

Mechanicsville, Maryland

Kasota, Minnesota

Elba, New York

New Bern, North Carolina

Eastlake, Ohio

Tulsa, Oklahoma

Arlington, Tennessee

Austin, Texas

South Jordan, Utah

Lexington, Virginia

Brady, Washington

Bremerton, Washington

Kalama, Washington

Montesano, Washington

Olympia, Washington

Seattle, Washington

Milwaukee, Wisconsin

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Featured Videos

Gardener's Notes:

2
positives
0
neutral
0
negative
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B
B
Milwaukee, WI (Zone 5b) | June 2013 | positive

I'm giving this a positive because she grows well and is very attractive in summer. In fact, she grows so well she will tower 15 feet ta...Read More

L
SeaTac, WA (Zone 8a) | May 2013 | positive

There are two of these at my work, and I looked forever to find one for my own garden. They have a beautiful burgundy color most of the ...Read More

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