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When to Plant Nasturtium in Zone 12B

USDA Zone

12B

Cities Covered

53

Avg Last Frost

Friday, January 1, 2027

Plant Type

Direct Sow

📅 Planting Calendar for Zone 12B

Direct Sow Outdoors Friday, January 8, 2027

Pro Tip: Nasturtium can be directly sown outdoors. Plant -1 weeks before your last frost date.

🌿 Plant Details

Scientific Name Tropaeolum majus
Days to Maturity 60 days
Sun Requirements Full Sun to Partial Shade
Plant Spacing 12" apart

🤝 Companion Plants for Nasturtium

Good Companions

TomatoCucumberSquashRadish

Avoid Planting Near

Fennel
See the full companion planting guide for Nasturtium →

Cities in Zone 12B

Other Plants for Zone 12B

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Growing Nasturtium in USDA Zone 12B

Nasturtium (Tropaeolum majus) grows well in USDA Hardiness Zone 12B. This zone includes cities like Captain Cook, Eleele, Ewa Beach and 50 more.

The average last frost date for Zone 12B is around Friday, January 1, 2027. Nasturtium can be directly sown outdoors around Friday, January 8, 2027.

Expect to harvest your Nasturtium approximately 60 days after planting.