Zone 3 · Hardy Geranium
Planting Hardy Geranium in Zone 3
Geranium sanguineum
✅ Hardy Geranium thrives in zone 3 (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 – August
Peak bloom
June
Sun required
full sun, part sun
Mature height
12"
Spacing
18" apart
Type
perennial
How to plant Hardy Geranium in zone 3
Plant in spring. Shear back after first flush for reliable rebloom.
Pair with these for continuous bloom
Hardy Geranium peaks in June. These companions keep your bed in color before and after.
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