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When to Plant Lupine in Zone 1B

USDA Zone

1B

Cities Covered

11

Avg Last Frost

Wednesday, June 10, 2026

Plant Type

Direct Sow

📅 Planting Calendar for Zone 1B

Direct Sow Outdoors Wednesday, May 13, 2026

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 1B

Other Plants for Zone 1B

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Growing Lupine in USDA Zone 1B

Lupine (Lupinus polyphyllus) grows well in USDA Hardiness Zone 1B. This zone includes cities like Arctic Village, Bettles Field, Chicken and 8 more.

The average last frost date for Zone 1B is around Wednesday, June 10, 2026. Lupine can be directly sown outdoors around Wednesday, May 13, 2026.

Expect to harvest your Lupine approximately 365 days after planting.