How to Grow Purple-leaved Smoke Bush
Wikimedia Commons
Purple-leaved Smoke Bush
Cotinus coggygria 'Atropurpurea'
shrubAtropurpurea is a deciduous ornamental shrub prized for its dramatic dark purple to burgundy foliage that intensifies in color throughout the growing season. It produces distinctive feathery flower clusters in summer that resemble smoke, hence the common name. The plant is valued for landscape contrast, fall color transitions, and low-maintenance growth habits.
When should you plant Purple-leaved Smoke Bush in your zone?
Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.
Example Purple-leaved Smoke Bush timeline · Pittsburgh, PA (Zone 6b)
-
Plant Purple-leaved Smoke Bush
Around Apr 17Near Pittsburgh's average last spring frost.
-
Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
-
Harvest Purple-leaved Smoke Bush
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Purple-leaved Smoke Bush dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 5-9; performs best in zones 6-8
Sign up free to see if Purple-leaved Smoke Bush grows in your zone — and get a personalized planting timeline.
Get my Purple-leaved Smoke Bush timeline →Growth Stages
Establishment
Year 1Young shrub with small purple-tinged leaves; sparse branching structure visible
Water regularly; mulch around base; avoid fertilizing (promotes excessive green growth). Stake if planted in windy location.
Vegetative Growth
Years 2-3Stems extend and leaves develop deeper purple coloration; branch structure fills in naturally
Minimal pruning; allow natural form to develop. Light watering during dry spells. No fertilizer needed.
Flowering
6-8 weeks, typically June-JulyFeathery, plume-like panicles emerge in early to mid-summer in pinkish or reddish tones that fade to gray-tan
Do not deadhead unless appearance bothers you; flowers transition to attractive seedheads. Flowers are ornamental rather than showy.
Summer Color Peak
July-SeptemberFoliage reaches deepest purple-burgundy coloration; seedheads persist, adding textural interest
Enjoy peak ornamental appeal; minimal watering needed in established plants. Monitor for pests but generally pest-resistant.
Fall Transition & Dormancy
October-MarchFoliage transitions through red, orange, and yellow tones before leaf drop; bare branching structure becomes visible
Prune in late winter while dormant if needed (remove dead wood, crossed branches, or to maintain shape). Do not prune in fall/early spring.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
-
Usually minor damage; spray with horticultural oil in early summer if infestation is heavy. Prune out affected branches. Generally not economically important on mature shrubs.
-
Plant in well-draining soil to prevent. Avoid overhead watering. Remove and destroy severely infected plants. Plant resistant species in that location.
-
Ensure good air circulation; reduce overhead watering. In severe cases, apply sulfur or neem oil fungicide in early morning or evening.
-
Rare but possible in hot, dry conditions. Spray with strong water stream to dislodge. Apply insecticidal soap or horticultural oil if persistent.
Uses
Ornamental Accent & Focal Point
LandscapeThe deep purple foliage provides striking contrast in mixed borders, foundation plantings, and specimen landscapes. The color intensifies with full sun exposure and serves as a visual anchor in garden designs. [source]
Cut Branches & Arrangements
CraftThe feathery, smoke-like seedheads persist through fall and winter, making them valuable for dried floral arrangements and decorative displays. Branches cut in late summer through winter provide long-lasting textural interest. [source]
Pollinator & Songbird Support
WildlifeThe flowers attract bees and other pollinators in summer, while seeds and persistent branching structure provide winter shelter and food sources for songbirds and other wildlife. [source]
Traditional Herbal Uses
MedicinalVarious Cotinus species have been used in traditional medicine systems for anti-inflammatory and astringent properties, though scientific evidence is limited. Modern medicinal applications are being researched. [source]
Natural Dye Source
HouseholdHistorically, Cotinus species were valued sources of yellow and orange dyes (fustic or young fustic); the wood and leaves can still be used by natural dyers for fabric coloring. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Not typically harvested; grown for ornamental foliage and flowers. Foliage reaches peak purple color in mid-to-late summer. Branches can be cut for indoor arrangements featuring the feathery seedheads in fall.
Fun Facts
- 🌱 The common name 'Smoke Bush' comes from the feathery, hair-like panicles that persist after flowering, creating the illusion of colored smoke hovering over the plant in summer and fall.
- 🌱 The purple coloration intensifies with sun exposure and stress (dry conditions), while shaded or overly fertilized plants may revert to green foliage, losing the cultivar's signature color.
- 🌱 Cotinus coggygria is native to the Himalayan region and has been cultivated in European gardens since the 16th century, with 'Atropurpurea' becoming one of the most popular ornamental selections.
Gardening Terms
New to gardening? Learn about terms used in this guide:
Join 30,000 gardeners planning their gardens with LizPlants.
Get your personalized Purple-leaved Smoke Bush planting timeline
Tell us your zip code and we'll calculate exactly when to start Purple-leaved Smoke Bush seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.
Get my Purple-leaved Smoke Bush timeline →