Zone 9 · Obedient Plant

Planting Obedient Plant in Zone 9

Physostegia virginiana

✅ Obedient Plant thrives in zone 9 (hardy 3–9)

Can I plant today?

Obedient Plant 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

August

Sun required

full sun, part sun

Mature height

48"

Spacing

18" apart

Type

perennial

How to plant Obedient Plant in zone 9

Plant in spring — spreads fast in rich soil. Individual flowers stay where you move them (hence the name).

Obedient Plant peaks in August. These companions keep your bed in color before and after.

Shasta Daisy

Peaks in July

Purple Coneflower

Peaks in July

Daffodil

Peaks in April

Bee Balm

Peaks in July

Want a full bed designed for zone 9?