When to Plant Kabocha Squash in Zone 8
In USDA zone 8a, start seeds indoors around March 11, transplant or plant outdoors April 15 to July 19, and expect your first harvest around July 19. (8a shown here — see 8a and 8b dates separately below.)
Kabocha Squash planting calendar for USDA Zone 8a
Average last spring frost
April 1
Average first fall frost
November 10
Start seeds indoors
Mar 11
Transplant outdoors
Apr 15
Projected first harvest
Jul 19
Kabocha Squash is ready to harvest in about 95 days, needing roughly 223 frost-free days in zone 8a.
Kabocha Squash planting calendar for USDA Zone 8b
Average last spring frost
March 20
Average first fall frost
November 20
Start seeds indoors
Feb 27
Transplant outdoors
Apr 3
Projected first harvest
Jul 7
Kabocha Squash is ready to harvest in about 95 days, needing roughly 245 frost-free days in zone 8b.
Not sure whether you're in 8a or 8b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
1 variety of kabocha squash in the HomeSown library. Tap any for its full grow guide.
Common problems with kabocha squash
What to watch for, with identification and treatment for each
🌱 Grow kabocha squash with a calendar built for your exact yard
HomeSown turns your ZIP code into a personalized planting calendar, watering reminders, and pest help. Free to start.
Start your free garden →