Zone 4 · Spider Flower

Planting Spider Flower in Zone 4

Cleome hassleriana

✅ Spider Flower thrives in zone 4 (hardy 2–11)

Can I plant today?

Plants set out in early season are peaking. Deadhead to keep blooms coming.

Evaluated for July 28, 2026 ·

Zone's last frost

around May 15

Zone's first frost

around September 15

Bloom window

July – September

Peak bloom

August

Sun required

full sun

Mature height

48"

Spacing

18" apart

Type

annual

How to plant Spider Flower in zone 4

Direct-sow after last frost. Self-sows vigorously — deadhead if you want to control spread.

Spider Flower peaks in August. These companions keep your bed in color before and after.

Shasta Daisy

Peaks in July

Purple Coneflower

Peaks in July

Salvia

Peaks in June

Tulip

Peaks in April

Want a full bed designed for zone 4?