Zone 6 · Crown Imperial
Planting Crown Imperial in Zone 6
Fritillaria imperialis
✅ Crown Imperial thrives in zone 6 (hardy 5–8)
Can I plant today?
✅ Safe to plant Crown Imperial outside
Last frost has passed. Plant large bulbs on their side in fall, 6-8 inches deep. Skunky odor repels rodents.
Evaluated for April 27, 2026 ·
Zone's last frost
around April 15
Zone's first frost
around October 15
Bloom window
April – May
Peak bloom
April
Sun required
full sun
Mature height
36"
Spacing
12" apart
Type
bulb
How to plant Crown Imperial in zone 6
Plant large bulbs on their side in fall, 6-8 inches deep. Skunky odor repels rodents.
Pair with these for continuous bloom
Crown Imperial peaks in April. These companions keep your bed in color before and after.
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