FrostCal

When to Plant Radishes in North Dakota

In a typical North Dakota location, sow outdoors Apr 5 – Apr 19. Across the state, the outdoor planting window starts as early as Mar 30 in Wahpeton and as late as Apr 16 in Beulah. For a fall crop, plant around Aug 19 – Sep 2.

Method Direct sow
Days to maturity 22–30 days

Very fast and cold-hardy; direct sow 3-5 weeks before last frost, as soon as soil can be worked.

Radishes Planting Dates by City

CityDirect sowFall planting
FargoMar 31 – Apr 14Aug 22 – Sep 5
BismarckApr 5 – Apr 19Aug 19 – Sep 2
Grand ForksApr 5 – Apr 19Aug 20 – Sep 3
MinotApr 5 – Apr 19Aug 20 – Sep 3
West FargoApr 5 – Apr 19Aug 19 – Sep 2
WillistonApr 16 – Apr 30Aug 10 – Aug 24
DickinsonApr 15 – Apr 29Aug 11 – Aug 25
MandanApr 8 – Apr 22Aug 16 – Aug 30
JamestownApr 3 – Apr 17Aug 18 – Sep 1
WahpetonMar 30 – Apr 13Aug 22 – Sep 5
Devils LakeApr 1 – Apr 15Aug 24 – Sep 7
Watford CityApr 4 – Apr 18Aug 16 – Aug 30
Valley CityApr 8 – Apr 22Aug 15 – Aug 29
Minot Air Force BaseApr 6 – Apr 20Aug 18 – Sep 1
GraftonMar 30 – Apr 13Aug 26 – Sep 9
LincolnApr 9 – Apr 23Aug 19 – Sep 2
BeulahApr 16 – Apr 30Aug 9 – Aug 23
RugbyApr 12 – Apr 26Aug 12 – Aug 26
StanleyApr 12 – Apr 26Aug 12 – Aug 26
HoraceMar 30 – Apr 13Aug 21 – Sep 4

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 radishes in North Dakota?

In a typical North Dakota location, sow outdoors Apr 5 – Apr 19. Across the state, the outdoor planting window starts as early as Mar 30 in Wahpeton and as late as Apr 16 in Beulah. For a fall crop, plant around Aug 19 – Sep 2.

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 radishes take to grow?

Radishes typically take 22–30 days from planting to harvest. Very fast and cold-hardy; direct sow 3-5 weeks before last frost, as soon as soil can be worked.

Other Crops in North Dakota

When to plant radishes in other states

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