Nebraska frost dates: F
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Fairbury | Apr 25 | Oct 15 | 173 d | 6a |
| Fairfield | Apr 19 | Oct 20 | 184 d | 6a |
| Fairmont | Apr 25 | Oct 14 | 172 d | 5b |
| Falls City | Apr 18 | Oct 17 | 182 d | 6a |
| Farnam | Apr 30 | Oct 12 | 165 d | 5b |
| Farwell | Apr 23 | Oct 14 | 174 d | 5b |
| Filley | Apr 22 | Oct 20 | 181 d | 6a |
| Firth | Apr 23 | Oct 12 | 172 d | 6a |
| Fordyce | Apr 30 | Oct 8 | 161 d | 5a |
| Fort Calhoun | Apr 19 | Oct 17 | 181 d | 5b |
| Franklin | Apr 30 | Oct 8 | 161 d | 6a |
| Fremont | Apr 23 | Oct 15 | 175 d | 5b |
| Friend | Apr 26 | Oct 13 | 170 d | 6a |
| Fullerton | Apr 30 | Oct 5 | 158 d | 5b |
| Funk | May 2 | Oct 11 | 162 d | 6a |