When to plant Sweet potatoes in North Dakota

In spring, May 20 – June 10.

USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.

Sweet potatoes planting dates by place in North Dakota
PlaceSpringFall
BismarckNot listedNot listed
DickinsonNot listedNot listed
FargoMay 20 – June 10Not listed
Grand ForksNot listedNot listed
JamestownNot listedNot listed
MandanNot listedNot listed
MinotNot listedNot listed
West FargoMay 20 – June 10Not listed
WillistonNot listedNot listed

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for sweet potatoes.