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When to Plant Lupine 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, December 4, 2025

Pro Tip: Lupine can be directly sown outdoors. Plant 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Lupinus polyphyllus
Days to Maturity 365 days
Sun Requirements Full Sun to Partial Shade
Plant Spacing 18" apart

Cities in Zone 12A

Other Plants for Zone 12A

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Growing Lupine in USDA Zone 12A

Lupine (Lupinus polyphyllus) 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. Lupine can be directly sown outdoors around Thursday, December 4, 2025.

Expect to harvest your Lupine approximately 365 days after planting.