Zone 4 · Columbine
Planting Columbine in Zone 4
Aquilegia
✅ Columbine thrives in zone 4 (hardy 3–9)
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
April – June
Peak bloom
May
Sun required
part sun
Mature height
24"
Spacing
18" apart
Type
perennial
How to plant Columbine in zone 4
Plant transplants in spring. Short-lived perennial that self-seeds generously. Hummingbird magnet.
Pair with these for continuous bloom
Columbine peaks in May. These companions keep your bed in color before and after.
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