When to Plant Cauliflower in Connecticut
Connecticut spans USDA hardiness 6a to 7b (zones 6a to 7b on this page). Plant cauliflower by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.
Jump to: Zone 6a · Zone 6b · Zone 7a · Zone 7b
Cauliflower planting calendar for Connecticut, Zone 6a
Average last spring frost
April 25
Average first fall frost
October 10
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. Full zone 6 guide (both 6a and 6b) →
Cauliflower planting calendar for Connecticut, Zone 6b
Average last spring frost
April 20
Average first fall frost
October 15
spring planting
Start seeds indoors
Mar 9
Transplant outdoors
Apr 6
Projected first harvest
Jun 30
fall planting
Start seeds indoors
Jun 4
Transplant outdoors
Jul 9
Projected first harvest
Oct 2
spring planting
fall planting
Most cauliflower mature in about 70 to 200 days depending on the variety. Full zone 6 guide (both 6a and 6b) →
Cauliflower planting calendar for Connecticut, Zone 7a
Average last spring frost
April 15
Average first fall frost
October 20
spring planting
Start seeds indoors
Mar 4
Transplant outdoors
Apr 1
Projected first harvest
Jun 25
fall planting
Start seeds indoors
Jun 9
Transplant outdoors
Jul 14
Projected first harvest
Oct 7
spring planting
fall planting
Most cauliflower mature in about 70 to 200 days depending on the variety. Full zone 7 guide (both 7a and 7b) →
Cauliflower planting calendar for Connecticut, Zone 7b
Average last spring frost
April 10
Average first fall frost
October 30
spring planting
Start seeds indoors
Feb 27
Transplant outdoors
Mar 27
Projected first harvest
Jun 20
fall planting
Start seeds indoors
Jun 19
Transplant outdoors
Jul 24
Projected first harvest
Oct 17
spring planting
fall planting
Most cauliflower mature in about 70 to 200 days depending on the variety. Full zone 7 guide (both 7a and 7b) →
Not sure which half-zone you're in? Set your ZIP in HomeSown for dates tuned to your exact location.
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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