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When to Plant Spinach 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, April 29, 2026

Pro Tip: Spinach can be directly sown outdoors. Plant 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Cynara scolymus
Days to Maturity 40 days
Sun Requirements Partial Shade to Full Sun
Plant Spacing 6" apart

Cities in Zone 1B

Other Plants for Zone 1B

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Growing Spinach in USDA Zone 1B

Spinach (Cynara scolymus) 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. Spinach can be directly sown outdoors around Wednesday, April 29, 2026.

Expect to harvest your Spinach approximately 40 days after planting.