When to Plant Potatoes in South Dakota

In a typical South Dakota location, sow outdoors Apr 8 – Apr 22. Across the state, the outdoor planting window starts as early as Mar 29 in Tea and as late as Apr 14 in Ellsworth Air Force Base.

Method Direct sow
Days to maturity 70–120 days

Plant seed potatoes 2-4 weeks before last frost, as soon as soil can be worked and is above 45F; light frost on emerging foliage is usually tolerated.

Potatoes Planting Dates by City

CityDirect sow
Sioux FallsApr 3 – Apr 17
Rapid CityApr 5 – Apr 19
AberdeenApr 10 – Apr 24
BrookingsApr 8 – Apr 22
WatertownApr 9 – Apr 23
MitchellApr 4 – Apr 18
YanktonMar 30 – Apr 13
PierreApr 8 – Apr 22
HuronApr 8 – Apr 22
SpearfishApr 14 – Apr 28
VermillionApr 5 – Apr 19
BrandonApr 3 – Apr 17
Box ElderApr 14 – Apr 28
Rapid ValleyApr 5 – Apr 19
Ellsworth Air Force BaseApr 14 – Apr 28
MadisonApr 7 – Apr 21
SturgisApr 10 – Apr 24
Belle FourcheApr 12 – Apr 26
HarrisburgApr 4 – Apr 18
TeaMar 29 – Apr 12

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

Frequently Asked Questions

When should I plant potatoes in South Dakota?

In a typical South Dakota location, sow outdoors Apr 8 – Apr 22. Across the state, the outdoor planting window starts as early as Mar 29 in Tea and as late as Apr 14 in Ellsworth Air Force Base.

When is the last frost in South Dakota?

The average last spring frost in South Dakota ranges from April 26 in Tea to May 12 in Ellsworth Air Force Base, based on NOAA 1991–2020 climate normals.

How long do potatoes take to grow?

Potatoes typically take 70–120 days from planting to harvest. Plant seed potatoes 2-4 weeks before last frost, as soon as soil can be worked and is above 45F; light frost on emerging foliage is usually tolerated.

Other Crops in South Dakota

When to plant potatoes in other states

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