When to Plant Winter Melon in Zone 4
In USDA zone 4a, start seeds indoors around April 17, transplant or plant outdoors May 29 to September 20. (4a shown here — see 4a and 4b dates separately below.)
Winter Melon planting calendar for USDA Zone 4a
Average last spring frost
May 15
Average first fall frost
September 20
Start seeds indoors
Apr 17
Transplant outdoors
May 29
Winter Melon needs about 130 days to mature — longer than zone 4atypically stays frost-free, so it likely won't reliably ripen there outdoors without a head start indoors or season extension.
Winter Melon planting calendar for USDA Zone 4b
Average last spring frost
May 10
Average first fall frost
September 25
Start seeds indoors
Apr 12
Transplant outdoors
May 24
Winter Melon needs about 130 days to mature — longer than zone 4btypically stays frost-free, so it likely won't reliably ripen there outdoors without a head start indoors or season extension.
Not sure whether you're in 4a or 4b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
1 variety of winter melon in the HomeSown library. Tap any for its full grow guide.
Common problems with winter melon
What to watch for, with identification and treatment for each
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