Zone 11 · Dahlia
Planting Dahlia in Zone 11
Dahlia hybrida
✅ Dahlia thrives in zone 11 (hardy 3–11)
Can I plant today?
⏳ Not the right window
Dahlia has a specific planting window in zone 11. Check back in spring.
Evaluated for April 27, 2026 ·
Zone's last frost
essentially frost-free
Zone's first frost
essentially frost-free
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 11
Plant tubers after last frost. In zones 3–7, dig tubers in fall after first frost and store indoors in peat moss.
Pair with these for continuous bloom
Dahlia peaks in August. These companions keep your bed in color before and after.
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