🌸GimmeBlooms
← Zone 3

Zone 3 · Butterfly Weed

Planting Butterfly Weed in Zone 3

Asclepias tuberosa

Butterfly Weed thrives in zone 3 (hardy 310)

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

June – August

Peak bloom

July

Sun required

full sun

Mature height

30"

Spacing

18" apart

Type

perennial

How to plant Butterfly Weed in zone 3

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 3?

Sign up free. GimmeBlooms builds a bloom-succession layout withButterfly Weed and 3–5 perfect companions.

Design my bed →