Zone 9 · Zinnia

Planting Zinnia in Zone 9

Zinnia elegans

✅ Zinnia thrives in zone 9 (hardy 3–10)

Can I plant today?

Zinnia 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

June – October

Peak bloom

August

Sun required

full sun

Mature height

24"

Spacing

9" apart

Type

annual

How to plant Zinnia in zone 9

Direct-sow after last frost. Pinch early for bushier plants.

Zinnia 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?