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When to Plant Heirloom Tomato in Zone 1B

USDA Zone

1B

Cities Covered

11

Avg Last Frost

Wednesday, June 10, 2026

Plant Type

Indoor Start

📅 Planting Calendar for Zone 1B

Start Seeds Indoors Wednesday, April 29, 2026
Transplant Outdoors Wednesday, June 24, 2026

Pro Tip: Start Heirloom Tomato seeds indoors 6 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Solanum lycopersicum
Days to Maturity 80 days
Sun Requirements Full Sun

Cities in Zone 1B

Other Plants for Zone 1B

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Growing Heirloom Tomato in USDA Zone 1B

Heirloom Tomato (Solanum lycopersicum) 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. For best results, start your Heirloom Tomato seeds indoors around Wednesday, April 29, 2026, then transplant outdoors around Wednesday, June 24, 2026.

Expect to harvest your Heirloom Tomato approximately 80 days after planting.