Zone 9 · Sweet Autumn Clematis

Planting Sweet Autumn Clematis in Zone 9

Clematis terniflora

✅ Sweet Autumn Clematis thrives in zone 9 (hardy 4–9)

Can I plant today?

Sweet Autumn Clematis has a specific planting window in zone 9. Check back in spring.

Evaluated for April 27, 2026 ·

Zone's last frost

around February 15

Zone's first frost

around December 15

Bloom window

August – September

Peak bloom

September

Sun required

full sun, part sun

Mature height

240"

Spacing

72" apart

Type

perennial

How to plant Sweet Autumn Clematis in zone 9

Plant in spring against a trellis. Explosion of fragrant white bloom in late summer; cut back hard in late winter.

Sweet Autumn Clematis peaks in September. These companions keep your bed in color before and after.

Cosmos

Peaks in August

Zinnia

Peaks in August

Sunflower

Peaks in August

Shasta Daisy

Peaks in July

Want a full bed designed for zone 9?