When to plant pumpkins in Zone 4

In Zone 4, the last spring frost usually passes around May 10 and the first fall frost arrives around September 21, leaving about 134 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.

Cool climate with a brief warm window. Indoor starts and season extension help.

Planting windows for pumpkins in Zone 4

The harvest estimate counts 110 days to maturity, then a picking window of about 21 days. These windows use typical frost dates for Zone 4; Dibble pins them to your exact ZIP code.

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Pumpkin in a Zone 4 season

Zone 4 gives about 134 frost-free days. Pumpkin needs roughly 110 days from sowing. That leaves about 24 days of slack, enough for one full crop with a little room for a cold spring.

How to grow pumpkins

Give pumpkins plenty of room. Sow once the soil is warm and nights stay mild, timing it so the fruit ripens in dry weather. Cure the mature fruit in the sun before storing.

Companion plants

Good neighbors for Pumpkin:

Better kept apart:

Pumpkin in other zones

Not in Zone 4? Pick your zone for the same dated windows.

Keep exploring

Pumpkin: the full growing guide · The Zone 4 planting calendar · Every crop and zone

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Dates are estimates based on typical frost dates for the zone. Your yard has its own microclimate, so use them as a starting point and adjust as you learn your space.