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When to Plant Butternut Squash in Zone 1B

USDA Zone

1B

Cities Covered

11

Avg Last Frost

Thursday, June 10, 2027

Plant Type

Indoor Start

📅 Planting Calendar for Zone 1B

Start Seeds Indoors Thursday, May 13, 2027
Transplant Outdoors Thursday, June 24, 2027

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 (6-8 hours)
Plant Spacing 60" apart

🤝 Companion Plants for Butternut Squash

Good Companions

CornBeanMarigoldNasturtium

Avoid Planting Near

Potato
See the full companion planting guide for Butternut Squash →

Cities in Zone 1B

Other Plants for Zone 1B

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Growing Butternut Squash in USDA Zone 1B

Butternut Squash (Cucurbita moschata) 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 Thursday, June 10, 2027. For best results, start your Butternut Squash seeds indoors around Thursday, May 13, 2027, then transplant outdoors around Thursday, June 24, 2027.

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