Zone 10 · Nasturtium
Planting Nasturtium in Zone 10
Tropaeolum majus
✅ Nasturtium 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
June – October
Peak bloom
July
Sun required
full sun, part sun
Mature height
12"
Spacing
12" apart
Type
annual
How to plant Nasturtium in zone 10
Direct-sow after last frost in lean soil. Rich soil = all leaf, no flower. Edible.
Pair with these for continuous bloom
Nasturtium peaks in July. These companions keep your bed in color before and after.
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