Zone 4 · Smoke Bush
Planting Smoke Bush in Zone 4
Cotinus coggygria
✅ Smoke Bush thrives in zone 4 (hardy 4–8)
Can I plant today?
⏳ Too early to direct-sow
Last frost is in 4 weeks. Wait until soil warms.
Evaluated for April 27, 2026 ·
Zone's last frost
around May 15
Zone's first frost
around September 15
Bloom window
June – July
Peak bloom
June
Sun required
full sun
Mature height
120"
Spacing
84" apart
Type
perennial
How to plant Smoke Bush in zone 4
Plant in spring. Airy flower panicles look like clouds of smoke; purple-leaved cultivars are stunners.
Pair with these for continuous bloom
Smoke Bush peaks in June. These companions keep your bed in color before and after.
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