Zone 4 · Siberian Squill
Planting Siberian Squill in Zone 4
Scilla siberica
✅ Siberian Squill thrives in zone 4 (hardy 2–8)
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
March – April
Peak bloom
March
Sun required
part sun
Mature height
6"
Spacing
3" apart
Type
bulb
How to plant Siberian Squill in zone 4
Plant bulbs in fall 3 inches deep. Naturalizes into electric-blue drifts under trees.
Pair with these for continuous bloom
Siberian Squill peaks in March. These companions keep your bed in color before and after.
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