Cotinus, European Smoketree, Purple Smoke Tree
Cotinuscoggygria 'Royal Purple'

Family: Anacardiaceae (an-a-kard-ee-AY-see-ee)
Genus: Cotinus (ko-TYE-nus)
Species: coggygria (kog-GY-gree-uh)
Cultivar: Royal Purple

Category
Trees

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun

Foliage
Deciduous

Foliage Color
Burgundy/Maroon

Height
12-15 ft. (3.6-4.7 m)

Spacing
12-15 ft. (3.6-4.7 m)
15-20 ft. (4.7-6 m)

Hardiness
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)

Where to Grow
Grow outdoors year-round in hardiness zone
Can be grown as an annual

Danger
Seed is poisonous if ingested
Parts of plant are poisonous if ingested
All parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction
Plant has spines or sharp edges; use extreme caution when handling

Bloom Color
Pink
Medium Purple

Bloom Characteristics

Bloom Size

Bloom Time
Late Spring/Early Summer

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information
Non-patented

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