When to Plant Cauliflower in Alaska
Alaska spans USDA hardiness 1a to 8b (zones 1a to 8b 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 1a · Zone 1b · Zone 2a · Zone 2b · Zone 3a · Zone 3b · Zone 4a · Zone 4b · Zone 5a · Zone 5b · Zone 6a · Zone 6b · Zone 7a · Zone 7b · Zone 8a · Zone 8b
Cauliflower planting calendar for Alaska, Zone 1a
Average last spring frost
May 24
Average first fall frost
August 25
spring planting
Start seeds indoors
Apr 12
Transplant outdoors
May 10
Projected first harvest
Aug 3
fall planting
Start seeds indoors
Apr 14
Transplant outdoors
May 19
Projected first harvest
Aug 12
spring planting
fall planting
Most cauliflower mature in about 70 to 200 days depending on the variety.
Cauliflower planting calendar for Alaska, Zone 1b
Average last spring frost
May 29
Average first fall frost
August 28
spring planting
Start seeds indoors
Apr 17
Transplant outdoors
May 15
Projected first harvest
Aug 8
fall planting
Start seeds indoors
Apr 17
Transplant outdoors
May 22
Projected first harvest
Aug 15
spring planting
fall planting
Most cauliflower mature in about 70 to 200 days depending on the variety.
Cauliflower planting calendar for Alaska, Zone 2a
Average last spring frost
May 24
Average first fall frost
September 5
spring planting
Start seeds indoors
Apr 12
Transplant outdoors
May 10
Projected first harvest
Aug 3
fall planting
Start seeds indoors
Apr 25
Transplant outdoors
May 30
Projected first harvest
Aug 23
spring planting
fall planting
Most cauliflower mature in about 70 to 200 days depending on the variety.
Cauliflower planting calendar for Alaska, Zone 2b
Average last spring frost
May 30
Average first fall frost
September 6
spring planting
Start seeds indoors
Apr 18
Transplant outdoors
May 16
Projected first harvest
Aug 9
fall planting
Start seeds indoors
Apr 26
Transplant outdoors
May 31
Projected first harvest
Aug 24
spring planting
fall planting
Most cauliflower mature in about 70 to 200 days depending on the variety.
Cauliflower planting calendar for Alaska, Zone 3a
Average last spring frost
May 30
Average first fall frost
September 10
spring planting
Start seeds indoors
Apr 18
Transplant outdoors
May 16
Projected first harvest
Aug 9
fall planting
Start seeds indoors
Apr 30
Transplant outdoors
Jun 4
Projected first harvest
Aug 28
spring planting
fall planting
Most cauliflower mature in about 70 to 200 days depending on the variety. Full zone 3 guide (both 3a and 3b) →
Cauliflower planting calendar for Alaska, Zone 3b
Average last spring frost
May 20
Average first fall frost
September 15
spring planting
Start seeds indoors
Apr 8
Transplant outdoors
May 6
Projected first harvest
Jul 30
fall planting
Start seeds indoors
May 5
Transplant outdoors
Jun 9
Projected first harvest
Sep 2
spring planting
fall planting
Most cauliflower mature in about 70 to 200 days depending on the variety. Full zone 3 guide (both 3a and 3b) →
Cauliflower planting calendar for Alaska, Zone 4a
Average last spring frost
May 15
Average first fall frost
September 20
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. Full zone 4 guide (both 4a and 4b) →
Cauliflower planting calendar for Alaska, Zone 4b
Average last spring frost
May 10
Average first fall frost
September 25
spring planting
Start seeds indoors
Mar 29
Transplant outdoors
Apr 26
Projected first harvest
Jul 20
fall planting
Start seeds indoors
May 15
Transplant outdoors
Jun 19
Projected first harvest
Sep 12
spring planting
fall planting
Most cauliflower mature in about 70 to 200 days depending on the variety. Full zone 4 guide (both 4a and 4b) →
Cauliflower planting calendar for Alaska, Zone 5a
Average last spring frost
May 5
Average first fall frost
October 1
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. Full zone 5 guide (both 5a and 5b) →
Cauliflower planting calendar for Alaska, Zone 5b
Average last spring frost
April 30
Average first fall frost
October 5
spring planting
Start seeds indoors
Mar 19
Transplant outdoors
Apr 16
Projected first harvest
Jul 10
fall planting
Start seeds indoors
May 25
Transplant outdoors
Jun 29
Projected first harvest
Sep 22
spring planting
fall planting
Most cauliflower mature in about 70 to 200 days depending on the variety. Full zone 5 guide (both 5a and 5b) →
Cauliflower planting calendar for Alaska, 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 Alaska, 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 Alaska, 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 Alaska, 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) →
Cauliflower planting calendar for Alaska, Zone 8a
Average last spring frost
April 1
Average first fall frost
November 10
spring planting
Start seeds indoors
Feb 18
Transplant outdoors
Mar 18
Projected first harvest
Jun 11
fall planting
Start seeds indoors
Jun 30
Transplant outdoors
Aug 4
Projected first harvest
Oct 28
spring planting
fall planting
Most cauliflower mature in about 70 to 200 days depending on the variety. Full zone 8 guide (both 8a and 8b) →
Cauliflower planting calendar for Alaska, Zone 8b
Average last spring frost
March 20
Average first fall frost
November 20
spring planting
Start seeds indoors
Feb 6
Transplant outdoors
Mar 6
Projected first harvest
May 30
fall planting
Start seeds indoors
Jul 10
Transplant outdoors
Aug 14
Projected first harvest
Nov 7
spring planting
fall planting
Most cauliflower mature in about 70 to 200 days depending on the variety. Full zone 8 guide (both 8a and 8b) →
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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