When to plant Sweet corn in Nebraska

In spring, from Apr 25 – June 15 in Beatrice to May 10 – June 15 in South Sioux City.

In fall, June 1 – July 10.

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

Sweet corn planting dates by place in Nebraska
PlaceSpringFall
BeatriceApr 25 – June 15June 1 – July 10
BellevueApr 25 – June 15June 1 – July 20
ColumbusApr 25 – June 15June 1 – July 10
FremontApr 25 – June 15June 1 – July 10
Grand IslandApr 25 – June 15June 1 – July 10
HastingsApr 25 – June 15June 1 – July 20
KearneyMay 10 – June 15June 1 – July 10
La VistaApr 25 – June 15June 1 – July 20
LexingtonMay 10 – June 15June 1 – July 10
LincolnApr 25 – June 15June 1 – July 10
NorfolkMay 10 – June 15June 1 – July 1
North PlatteMay 10 – June 1June 1 – July 1
OmahaApr 25 – June 15June 1 – July 20
PapillionApr 25 – June 15June 1 – July 20
ScottsbluffMay 10 – June 1June 1 – July 1
South Sioux CityMay 10 – June 15June 1 – July 10

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 corn.