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Ornamental Tree · Easy

How to Grow Royal Purple Smoke Tree

Cotinus coggygria 'Royal Purple'

Your complete guide to growing Royal Purple Smoke Tree.

☀SunFull sun (6+ hours)
💧WaterLow to moderate, very drought tolerant
🗺Zones4–8
📏Height10-15 feet
Royal Purple Smoke Tree📷 Wikimedia Commons

When to Plant Royal Purple Smoke Tree

Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.

ZoneStart IndoorsDirect SowHarvest
Zone 4 — — —
Zone 5 — — —
Zone 6 — — —
Zone 7 — — —
Zone 8 — — —

Companion Plants for Royal Purple Smoke Tree

✓ Good companions

Barberry

Similar soil preferences and creates layered texture with spiny protection

Black-eyed Susan

Drought-tolerant perennial that provides bright contrast to purple foliage

Catmint

Shares water-wise needs and attracts beneficial insects while deterring pests

Juniper

Complementary evergreen structure and similar low-water requirements

Lavender

Thrives in similar dry conditions and repels pests while attracting beneficial pollinators

Ornamental Grasses

Provides textural contrast and thrives in well-draining soil conditions

Russian Sage

Shares drought tolerance and provides complementary blue-purple blooms

Sedum

Excellent groundcover for dry conditions and adds late-season color

✗ Keep away from

Azaleas

Needs acidic, moist soil conditions that conflict with smoke tree's alkaline preferences

Black Walnut

Produces juglone which can inhibit growth and cause leaf yellowing

Hostas

Requires consistent moisture and shade, competing needs with smoke tree's preferences

Notes from the garden

A greener inbox, occasionally.

Seasonal planting ideas, useful tips and a little inspiration. No weeds.