When to Plant Butternut Squash in Zone 9
In USDA zone 9, start seeds indoors around February 8, transplant or plant outdoors March 15 to June 28, and expect your first harvest around June 28.
Butternut Squash planting calendar for USDA Zone 9
Start seeds indoors
Feb 8
Transplant outdoors
Mar 15
Projected first harvest
Jun 28
Butternut Squash is ready to harvest in about 105 days. Dates use USDA zone 9a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 9 means for butternut squash
Average last spring frost
March 1
Average first fall frost
December 1
Those two dates are what set the schedule above. Zone 9 gives you roughly 275 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.
Common problems with butternut squash
What to watch for, with identification and treatment for each
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