When to Plant Summer Squash in Zone 6
In USDA zone 6, start seeds indoors around April 4, transplant or plant outdoors May 9 to June 28, and expect your first harvest around June 28.
Summer Squash planting calendar for USDA Zone 6
Start seeds indoors
Apr 4
Transplant outdoors
May 9
Projected first harvest
Jun 28
Most summer squash mature in about 50 days. Dates use USDA zone 6a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 6 means for summer squash
Average last spring frost
April 25
Average first fall frost
October 10
Those two dates are what set the schedule above. Zone 6 gives you roughly 168 frost-free days, and summer squash need about 50 days to mature.
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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