When to Plant Butternut Squash in Zone 7
In USDA zone 7a, start seeds indoors around March 25, transplant or plant outdoors April 29 to August 12, and expect your first harvest around August 12. (7a shown here — see 7a and 7b dates separately below.)
Butternut Squash planting calendar for USDA Zone 7a
Average last spring frost
April 15
Average first fall frost
October 20
Start seeds indoors
Mar 25
Transplant outdoors
Apr 29
Projected first harvest
Aug 12
Butternut Squash is ready to harvest in about 105 days, needing roughly 188 frost-free days in zone 7a.
Butternut Squash planting calendar for USDA Zone 7b
Average last spring frost
April 10
Average first fall frost
October 30
Start seeds indoors
Mar 20
Transplant outdoors
Apr 24
Projected first harvest
Aug 7
Butternut Squash is ready to harvest in about 105 days, needing roughly 203 frost-free days in zone 7b.
Not sure whether you're in 7a or 7b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
1 variety of butternut squash in the HomeSown library. Tap any for its full grow guide.
Common problems with butternut squash
What to watch for, with identification and treatment for each
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