FrostCal

When to Plant Cucumbers in North Dakota

In a typical North Dakota location, start seeds indoors Apr 12 – Apr 19, then sow outdoors May 17 – May 24, then transplant outdoors May 17 – May 24. Across the state, the outdoor planting window starts as early as May 11 in Wahpeton and as late as May 28 in Beulah.

Method Start indoors, then transplant
Days to maturity 50–65 days

Can be started indoors 3-4 weeks before transplanting, or direct-sown 1-2 weeks after last frost once soil is warm.

Cucumbers Planting Dates by City

CityStart indoorsDirect sowTransplant
FargoApr 7 – Apr 14May 12 – May 19May 12 – May 19
BismarckApr 12 – Apr 19May 17 – May 24May 17 – May 24
Grand ForksApr 12 – Apr 19May 17 – May 24May 17 – May 24
MinotApr 12 – Apr 19May 17 – May 24May 17 – May 24
West FargoApr 12 – Apr 19May 17 – May 24May 17 – May 24
WillistonApr 23 – Apr 30May 28 – Jun 4May 28 – Jun 4
DickinsonApr 22 – Apr 29May 27 – Jun 3May 27 – Jun 3
MandanApr 15 – Apr 22May 20 – May 27May 20 – May 27
JamestownApr 10 – Apr 17May 15 – May 22May 15 – May 22
WahpetonApr 6 – Apr 13May 11 – May 18May 11 – May 18
Devils LakeApr 8 – Apr 15May 13 – May 20May 13 – May 20
Watford CityApr 11 – Apr 18May 16 – May 23May 16 – May 23
Valley CityApr 15 – Apr 22May 20 – May 27May 20 – May 27
Minot Air Force BaseApr 13 – Apr 20May 18 – May 25May 18 – May 25
GraftonApr 6 – Apr 13May 11 – May 18May 11 – May 18
LincolnApr 16 – Apr 23May 21 – May 28May 21 – May 28
BeulahApr 23 – Apr 30May 28 – Jun 4May 28 – Jun 4
RugbyApr 19 – Apr 26May 24 – May 31May 24 – May 31
StanleyApr 19 – Apr 26May 24 – May 31May 24 – May 31
HoraceApr 6 – Apr 13May 11 – May 18May 11 – May 18

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 cucumbers in North Dakota?

In a typical North Dakota location, start seeds indoors Apr 12 – Apr 19, then sow outdoors May 17 – May 24, then transplant outdoors May 17 – May 24. Across the state, the outdoor planting window starts as early as May 11 in Wahpeton and as late as May 28 in Beulah.

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 cucumbers take to grow?

Cucumbers typically take 50–65 days from planting to harvest. Can be started indoors 3-4 weeks before transplanting, or direct-sown 1-2 weeks after last frost once soil is warm.

Other Crops in North Dakota

When to plant cucumbers in other states

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