Zone 11 · Four O'Clock
Planting Four O'Clock in Zone 11
Mirabilis jalapa
✅ Four O'Clock thrives in zone 11 (hardy 2–11)
Can I plant today?
⏳ Not the right window
Four O'Clock 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 – September
Peak bloom
August
Sun required
full sun, part sun
Mature height
36"
Spacing
18" apart
Type
annual
How to plant Four O'Clock in zone 11
Direct-sow after last frost. Blooms open mid-afternoon and fragrance carries into evening.
Pair with these for continuous bloom
Four O'Clock peaks in August. These companions keep your bed in color before and after.
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