When to plant cauliflower 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 cauliflower in Zone 4

The harvest estimate counts 70 days to maturity, then a picking window of about 14 days. These windows use typical frost dates for Zone 4; Dibble pins them to your exact ZIP code.

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Cauliflower in a Zone 4 season

Zone 4 gives about 134 frost-free days. Cauliflower needs roughly 70 days from transplant. That leaves about 64 days of slack, so there is room for a late start or a second planting.

How to grow cauliflower

Start seeds indoors about 4 weeks before planting out, timing it so the heads form in cool weather. Steady moisture and cool weather make tight white heads, while heat leaves them loose.

Companion plants

Good neighbors for Cauliflower:

Better kept apart:

Cauliflower in other zones

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

Keep exploring

Cauliflower: 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.