Zone 3 · Impatiens
Planting Impatiens in Zone 3
Impatiens walleriana
✅ Impatiens thrives in zone 3 (hardy 2–11)
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 – October
Peak bloom
July
Sun required
shade, part sun
Mature height
14"
Spacing
12" apart
Type
annual
How to plant Impatiens in zone 3
Shade annual MVP. Plant transplants after last frost. Keep consistently moist. Look for downy-mildew-resistant cultivars.
Pair with these for continuous bloom
Impatiens peaks in July. These companions keep your bed in color before and after.
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