Zone 8 · Butterfly Weed
Planting Butterfly Weed in Zone 8
Asclepias tuberosa
✅ Butterfly Weed thrives in zone 8 (hardy 3–10)
Can I plant today?
✅ Safe to plant Butterfly Weed outside
Last frost has passed. Native monarch host plant. Plant transplants in spring. Drought tolerant. Seed late — long taproot hates being moved.
Evaluated for April 27, 2026 ·
Zone's last frost
around March 15
Zone's first frost
around November 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 8
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.
Want a full bed designed for zone 8?
Sign up free. GimmeBlooms builds a bloom-succession layout withButterfly Weed and 3–5 perfect companions.
Design my bed →