FrostCal

When to Plant Broccoli in North Dakota

In a typical North Dakota location, start seeds indoors Mar 22 – Apr 5, then transplant outdoors Apr 19 – Apr 26. Across the state, the outdoor planting window starts as early as Apr 13 in Wahpeton and as late as Apr 30 in Beulah. For a fall crop, plant around Jul 29 – Aug 5.

Method Start indoors, then transplant
Days to maturity 55–80 days

Start indoors 5-7 weeks before last frost; transplant out 2-3 weeks before last frost (hardens off to light frost).

Broccoli Planting Dates by City

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

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 broccoli in North Dakota?

In a typical North Dakota location, start seeds indoors Mar 22 – Apr 5, then transplant outdoors Apr 19 – Apr 26. Across the state, the outdoor planting window starts as early as Apr 13 in Wahpeton and as late as Apr 30 in Beulah. For a fall crop, plant around Jul 29 – Aug 5.

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 broccoli take to grow?

Broccoli typically take 55–80 days from planting to harvest. Start indoors 5-7 weeks before last frost; transplant out 2-3 weeks before last frost (hardens off to light frost).

Other Crops in North Dakota

When to plant broccoli in other states

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