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When to Plant Nasturtium in Zone 12A

USDA Zone

12A

Cities Covered

25

Avg Last Frost

Thursday, January 1, 2026

Plant Type

Direct Sow

📅 Planting Calendar for Zone 12A

Direct Sow Outdoors Thursday, January 8, 2026

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

Cities in Zone 12A

Other Plants for Zone 12A

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Growing Nasturtium in USDA Zone 12A

Nasturtium (Tropaeolum majus) grows well in USDA Hardiness Zone 12A. This zone includes cities like Aiea, Anahola, Haiku and 22 more.

The average last frost date for Zone 12A is around Thursday, January 1, 2026. Nasturtium can be directly sown outdoors around Thursday, January 8, 2026.

Expect to harvest your Nasturtium approximately 60 days after planting.