When to Plant Cauliflower in Zone 6
In USDA zone 6, start seeds indoors around March 14, transplant or plant outdoors April 11 to July 5, and expect your first harvest around July 5. Zone 6 also has a fall planting window opening around July 4.
Cauliflower planting calendar for USDA Zone 6
spring planting
Start seeds indoors
Mar 14
Transplant outdoors
Apr 11
Projected first harvest
Jul 5
fall planting
Start seeds indoors
May 30
Transplant outdoors
Jul 4
Projected first harvest
Sep 27
spring planting
fall planting
Most cauliflower mature in about 70 to 200 days depending on the variety. Dates use USDA zone 6a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 6 means for cauliflower
Average last spring frost
April 25
Average first fall frost
October 10
Those two dates are what set the schedule above. Zone 6 gives you roughly 168 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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