Zone 10 · Spider Flower
Planting Spider Flower in Zone 10
Cleome hassleriana
✅ Spider Flower thrives in zone 10 (hardy 2–11)
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Zone's last frost
around January 15
Zone's first frost
around December 15
Bloom window
July – September
Peak bloom
August
Sun required
full sun
Mature height
48"
Spacing
18" apart
Type
annual
How to plant Spider Flower in zone 10
Direct-sow after last frost. Self-sows vigorously — deadhead if you want to control spread.
Pair with these for continuous bloom
Spider Flower peaks in August. These companions keep your bed in color before and after.
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