When to Plant Broccoli in North Dakota
North Dakota spans USDA hardiness 3b to 4b (zones 3b to 4b on this page). Plant broccoli by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.
Jump to: Zone 3b · Zone 4a · Zone 4b
Broccoli planting calendar for North Dakota, Zone 3b
Average last spring frost
May 20
Average first fall frost
September 15
spring planting
Start seeds indoors
Mar 18
Transplant outdoors
Apr 29
Projected first harvest
Jul 3
fall planting
Start seeds indoors
May 26
Transplant outdoors
Jun 30
Projected first harvest
Sep 3
spring planting
fall planting
Most broccoli mature in about 50 to 200 days depending on the variety. Full zone 3 guide (both 3a and 3b) →
Broccoli planting calendar for North Dakota, Zone 4a
Average last spring frost
May 15
Average first fall frost
September 20
spring planting
Start seeds indoors
Mar 13
Transplant outdoors
Apr 24
Projected first harvest
Jun 28
fall planting
Start seeds indoors
May 31
Transplant outdoors
Jul 5
Projected first harvest
Sep 8
spring planting
fall planting
Most broccoli mature in about 50 to 200 days depending on the variety. Full zone 4 guide (both 4a and 4b) →
Broccoli planting calendar for North Dakota, Zone 4b
Average last spring frost
May 10
Average first fall frost
September 25
spring planting
Start seeds indoors
Mar 8
Transplant outdoors
Apr 19
Projected first harvest
Jun 23
fall planting
Start seeds indoors
Jun 5
Transplant outdoors
Jul 10
Projected first harvest
Sep 13
spring planting
fall planting
Most broccoli mature in about 50 to 200 days depending on the variety. Full zone 4 guide (both 4a and 4b) →
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 broccoli in the HomeSown library. Tap any for its full grow guide.
Common problems with broccoli
What to watch for, with identification and treatment for each
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