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When to Plant Butternut Squash in Zone 13A

USDA Zone

13A

Cities Covered

2

Avg Last Frost

Friday, January 1, 2027

Plant Type

Indoor Start

📅 Planting Calendar for Zone 13A

Start Seeds Indoors Friday, December 4, 2026
Transplant Outdoors Friday, January 15, 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

Cities in Zone 13A

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Growing Butternut Squash in USDA Zone 13A

Butternut Squash (Cucurbita moschata) grows well in USDA Hardiness Zone 13A. This zone includes cities like Keauhou, M C B H Kaneohe Bay.

The average last frost date for Zone 13A is around Friday, January 1, 2027. For best results, start your Butternut Squash seeds indoors around Friday, December 4, 2026, then transplant outdoors around Friday, January 15, 2027.

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