When to Plant Cauliflower in Zone 4
In USDA zone 4, start seeds indoors around April 3, transplant or plant outdoors May 1 to July 25, and expect your first harvest around July 25. Zone 4 also has a fall planting window opening around June 14.
Cauliflower planting calendar for USDA Zone 4
spring planting
Start seeds indoors
Apr 3
Transplant outdoors
May 1
Projected first harvest
Jul 25
fall planting
Start seeds indoors
May 10
Transplant outdoors
Jun 14
Projected first harvest
Sep 7
spring planting
fall planting
Most cauliflower mature in about 70 to 200 days depending on the variety. Dates use USDA zone 4a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 4 means for cauliflower
Average last spring frost
May 15
Average first fall frost
September 20
Those two dates are what set the schedule above. Zone 4 gives you roughly 128 frost-free days, and cauliflower need about 70 to 200 days depending on the variety to mature.
Varieties to grow
4 varieties of cauliflower in the HomeSown library. Tap any for its full grow guide.
Common problems with cauliflower
What to watch for, with identification and treatment for each
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