Nebraska planting zones & frost dates

The 2 Nebraska cities on this site fall in zone 6a. Last spring frost dates range from Apr 25 in Omaha to Apr 30 in Lincoln.

City	Zone	Last frost	First frost	Population
Omaha	6a	Apr 25	Oct 12	489,265
Lincoln	6a	Apr 30	Oct 7	300,619

Frost dates are 30%-risk dates from the nearest suitable NOAA station. Population: Census Vintage 2024 estimates.