Zone 5 · Butterfly Weed
Planting Butterfly Weed in Zone 5
Asclepias tuberosa
✅ Butterfly Weed thrives in zone 5 (hardy 3–10)
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 October 15
Bloom window
June – August
Peak bloom
July
Sun required
full sun
Mature height
30"
Spacing
18" apart
Type
perennial
How to plant Butterfly Weed in zone 5
Native monarch host plant. Plant transplants in spring. Drought tolerant. Seed late — long taproot hates being moved.
Pair with these for continuous bloom
Butterfly Weed peaks in July. These companions keep your bed in color before and after.
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