FrostCal

When to Plant Cauliflower in North Dakota

In a typical North Dakota location, start seeds indoors Mar 22 – Apr 5, then transplant outdoors Apr 26 – May 3. Across the state, the outdoor planting window starts as early as Apr 20 in Wahpeton and as late as May 7 in Beulah. For a fall crop, plant around Jul 22 – Jul 29.

Method Start indoors, then transplant
Days to maturity 55–85 days

Fussier than broccoli about temperature swings; start indoors 5-7 weeks before last frost, transplant 1-2 weeks before last frost.

Cauliflower Planting Dates by City

CityStart indoorsTransplantFall planting
FargoMar 17 – Mar 31Apr 21 – Apr 28Jul 25 – Aug 1
BismarckMar 22 – Apr 5Apr 26 – May 3Jul 22 – Jul 29
Grand ForksMar 22 – Apr 5Apr 26 – May 3Jul 23 – Jul 30
MinotMar 22 – Apr 5Apr 26 – May 3Jul 23 – Jul 30
West FargoMar 22 – Apr 5Apr 26 – May 3Jul 22 – Jul 29
WillistonApr 2 – Apr 16May 7 – May 14Jul 13 – Jul 20
DickinsonApr 1 – Apr 15May 6 – May 13Jul 14 – Jul 21
MandanMar 25 – Apr 8Apr 29 – May 6Jul 19 – Jul 26
JamestownMar 20 – Apr 3Apr 24 – May 1Jul 21 – Jul 28
WahpetonMar 16 – Mar 30Apr 20 – Apr 27Jul 25 – Aug 1
Devils LakeMar 18 – Apr 1Apr 22 – Apr 29Jul 27 – Aug 3
Watford CityMar 21 – Apr 4Apr 25 – May 2Jul 19 – Jul 26
Valley CityMar 25 – Apr 8Apr 29 – May 6Jul 18 – Jul 25
Minot Air Force BaseMar 23 – Apr 6Apr 27 – May 4Jul 21 – Jul 28
GraftonMar 16 – Mar 30Apr 20 – Apr 27Jul 29 – Aug 5
LincolnMar 26 – Apr 9Apr 30 – May 7Jul 22 – Jul 29
BeulahApr 2 – Apr 16May 7 – May 14Jul 12 – Jul 19
RugbyMar 29 – Apr 12May 3 – May 10Jul 15 – Jul 22
StanleyMar 29 – Apr 12May 3 – May 10Jul 15 – Jul 22
HoraceMar 16 – Mar 30Apr 20 – Apr 27Jul 24 – Jul 31

Showing the 20 most populous of 20 North Dakota cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all North Dakota cities.

Frequently Asked Questions

When should I plant cauliflower in North Dakota?

In a typical North Dakota location, start seeds indoors Mar 22 – Apr 5, then transplant outdoors Apr 26 – May 3. Across the state, the outdoor planting window starts as early as Apr 20 in Wahpeton and as late as May 7 in Beulah. For a fall crop, plant around Jul 22 – Jul 29.

When is the last frost in North Dakota?

The average last spring frost in North Dakota ranges from May 4 in Wahpeton to May 21 in Beulah, based on NOAA 1991–2020 climate normals.

How long do cauliflower take to grow?

Cauliflower typically take 55–85 days from planting to harvest. Fussier than broccoli about temperature swings; start indoors 5-7 weeks before last frost, transplant 1-2 weeks before last frost.

Other Crops in North Dakota

When to plant cauliflower in other states

Related Guides