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When to Plant Butternut Squash in Zone 2B

USDA Zone

2B

Cities Covered

17

Avg Last Frost

Thursday, May 28, 2026

Plant Type

Indoor Start

📅 Planting Calendar for Zone 2B

Start Seeds Indoors Thursday, April 30, 2026
Transplant Outdoors Thursday, June 11, 2026

Pro Tip: Start Butternut Squash seeds indoors 4 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Cucurbita moschata
Days to Maturity 100 days
Sun Requirements Full Sun

Cities in Zone 2B

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Growing Butternut Squash in USDA Zone 2B

Butternut Squash (Cucurbita moschata) grows well in USDA Hardiness Zone 2B. This zone includes cities like Gakona, Glennallen, Mc Grath and 14 more.

The average last frost date for Zone 2B is around Thursday, May 28, 2026. For best results, start your Butternut Squash seeds indoors around Thursday, April 30, 2026, then transplant outdoors around Thursday, June 11, 2026.

Expect to harvest your Butternut Squash approximately 100 days after planting.