Zone 10 · Dahlia

Planting Dahlia in Zone 10

Dahlia hybrida

✅ Dahlia thrives in zone 10 (hardy 3–11)

Can I plant today?

Dahlia has a specific planting window in zone 10. Check back in spring.

Evaluated for April 27, 2026 ·

Zone's last frost

around January 15

Zone's first frost

around December 15

Bloom window

July – October

Peak bloom

August

Sun required

full sun

Mature height

36"

Spacing

24" apart

Type

bulb

How to plant Dahlia in zone 10

Plant tubers after last frost. In zones 3–7, dig tubers in fall after first frost and store indoors in peat moss.

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

Daylily

Peaks in July

Common Jasmine

Peaks in July

Snapdragon

Peaks in June

Petunia

Peaks in July

Want a full bed designed for zone 10?