When to Plant Summer Squash in Zone 7
In USDA zone 7a, start seeds indoors around March 25, transplant or plant outdoors April 29 to June 18, and expect your first harvest around June 18. (7a shown here — see 7a and 7b dates separately below.)
Summer 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
Jun 18
Most summer squash mature in about 50 days, needing roughly 188 frost-free days in zone 7a.
Summer 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
Jun 13
Most summer squash mature in about 50 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
3 varieties of summer squash in the HomeSown library. Tap any for its full grow guide.
Common problems with summer squash
What to watch for, with identification and treatment for each
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