When to Plant Cauliflower in Zone 5
In USDA zone 5, start seeds indoors around March 24, transplant or plant outdoors April 21 to July 15, and expect your first harvest around July 15. Zone 5 also has a fall planting window opening around June 25.
Cauliflower planting calendar for USDA Zone 5
spring planting
Start seeds indoors
Mar 24
Transplant outdoors
Apr 21
Projected first harvest
Jul 15
fall planting
Start seeds indoors
May 21
Transplant outdoors
Jun 25
Projected first harvest
Sep 18
spring planting
fall planting
Most cauliflower mature in about 70 to 200 days depending on the variety. Dates use USDA zone 5a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 5 means for cauliflower
Average last spring frost
May 5
Average first fall frost
October 1
Those two dates are what set the schedule above. Zone 5 gives you roughly 149 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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