When to Plant Spinach in North Dakota

In a typical North Dakota location, sow outdoors Mar 29 – Apr 12. Across the state, the outdoor planting window starts as early as Mar 23 in Wahpeton and as late as Apr 9 in Beulah. For a fall crop, plant around Aug 5 – Aug 19.

Method Direct sow
Days to maturity 40–50 days

Very cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.

Spinach Planting Dates by City

CityDirect sowFall planting
FargoMar 24 – Apr 7Aug 8 – Aug 22
BismarckMar 29 – Apr 12Aug 5 – Aug 19
Grand ForksMar 29 – Apr 12Aug 6 – Aug 20
MinotMar 29 – Apr 12Aug 6 – Aug 20
West FargoMar 29 – Apr 12Aug 5 – Aug 19
WillistonApr 9 – Apr 23Jul 27 – Aug 10
DickinsonApr 8 – Apr 22Jul 28 – Aug 11
MandanApr 1 – Apr 15Aug 2 – Aug 16
JamestownMar 27 – Apr 10Aug 4 – Aug 18
WahpetonMar 23 – Apr 6Aug 8 – Aug 22
Devils LakeMar 25 – Apr 8Aug 10 – Aug 24
Watford CityMar 28 – Apr 11Aug 2 – Aug 16
Valley CityApr 1 – Apr 15Aug 1 – Aug 15
Minot Air Force BaseMar 30 – Apr 13Aug 4 – Aug 18
GraftonMar 23 – Apr 6Aug 12 – Aug 26
LincolnApr 2 – Apr 16Aug 5 – Aug 19
BeulahApr 9 – Apr 23Jul 26 – Aug 9
RugbyApr 5 – Apr 19Jul 29 – Aug 12
StanleyApr 5 – Apr 19Jul 29 – Aug 12
HoraceMar 23 – Apr 6Aug 7 – Aug 21

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 spinach in North Dakota?

In a typical North Dakota location, sow outdoors Mar 29 – Apr 12. Across the state, the outdoor planting window starts as early as Mar 23 in Wahpeton and as late as Apr 9 in Beulah. For a fall crop, plant around Aug 5 – Aug 19.

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 spinach take to grow?

Spinach typically take 40–50 days from planting to harvest. Very cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.

Other Crops in North Dakota

When to plant spinach in other states

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