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When to Plant Butternut Squash in Zone 5

In USDA zone 5, start seeds indoors around April 14, transplant or plant outdoors May 19 to September 1, and expect your first harvest around September 1.

Butternut Squash planting calendar for USDA Zone 5

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Start seeds indoors

Apr 14

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Transplant outdoors

May 19

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Projected first harvest

Sep 1

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🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 5a — approximate

Butternut Squash is ready to harvest in about 105 days. Dates use USDA zone 5a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.

What zone 5 means for butternut squash

Average last spring frost

May 5

Average first fall frost

October 1

Those two dates are what set the schedule above. Zone 5 gives you roughly 149 frost-free days, and butternut squash need about 105 days to mature.

Varieties to grow

1 variety of butternut squash in the HomeSown library. Tap any for its full grow guide.

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