When to Plant Tromboncino Squash in Zone 9
In USDA zone 9a, start seeds indoors around February 8, transplant or plant outdoors March 15 to May 9, and expect your first harvest around May 9. (9a shown here — see 9a and 9b dates separately below.)
Tromboncino Squash planting calendar for USDA Zone 9a
Average last spring frost
March 1
Average first fall frost
December 1
Start seeds indoors
Feb 8
Transplant outdoors
Mar 15
Projected first harvest
May 9
Tromboncino Squash is ready to harvest in about 55 days, needing roughly 275 frost-free days in zone 9a.
Tromboncino Squash planting calendar for USDA Zone 9b
Average last spring frost
February 15
Average first fall frost
December 15
Start seeds indoors
Jan 25
Transplant outdoors
Mar 1
Projected first harvest
Apr 25
Tromboncino Squash is ready to harvest in about 55 days, needing roughly 303 frost-free days in zone 9b.
Not sure whether you're in 9a or 9b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
1 variety of tromboncino squash in the HomeSown library. Tap any for its full grow guide.
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