Zone 6 · Monkshood
Planting Monkshood in Zone 6
Aconitum napellus
✅ Monkshood thrives in zone 6 (hardy 3–7)
Can I plant today?
✅ Safe to plant Monkshood outside
Last frost has passed. Plant in spring in rich, moist soil. Highly toxic — wear gloves; keep away from pets and children.
Evaluated for April 27, 2026 ·
Zone's last frost
around April 15
Zone's first frost
around October 15
Bloom window
August – September
Peak bloom
August
Sun required
part sun
Mature height
48"
Spacing
18" apart
Type
perennial
How to plant Monkshood in zone 6
Plant in spring in rich, moist soil. Highly toxic — wear gloves; keep away from pets and children.
Pair with these for continuous bloom
Monkshood peaks in August. These companions keep your bed in color before and after.
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