Zone 4 · Peony
Planting Peony in Zone 4
Paeonia lactiflora
✅ Peony thrives in zone 4 (hardy 3–8)
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
May – June
Peak bloom
May
Sun required
full sun, part sun
Mature height
30"
Spacing
36" apart
Type
perennial
How to plant Peony in zone 4
Plant tubers in fall, eyes no deeper than 2 inches. Patient perennial — blooms improve yearly for 50+ years.
Pair with these for continuous bloom
Peony peaks in May. These companions keep your bed in color before and after.
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