Zone 10 · Petunia
Planting Petunia in Zone 10
Petunia × hybrida
✅ Petunia thrives in zone 10 (hardy 2–11)
Can I plant today?
⏳ Not the right window
Petunia 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
May – October
Peak bloom
July
Sun required
full sun
Mature height
10"
Spacing
10" apart
Type
annual
How to plant Petunia in zone 10
Plant transplants after last frost. Full sun for maximum bloom. Use self-cleaning cultivars or deadhead weekly.
Pair with these for continuous bloom
Petunia peaks in July. These companions keep your bed in color before and after.
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