Alabama frost dates: F
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Fackler | Apr 2 | Oct 30 | 211 d | 7b |
| Fairfield | Mar 23 | Nov 10 | 232 d | 8b |
| Fairhope | Mar 10 | Nov 17 | 252 d | 9a |
| Falkville | Apr 5 | Nov 1 | 210 d | 8a |
| Faunsdale | Mar 16 | Nov 14 | 243 d | 8b |
| Fayette | Mar 20 | Nov 9 | 234 d | 8a |
| Fitzpatrick | Mar 25 | Nov 8 | 228 d | 8b |
| Five Points | Apr 2 | Nov 3 | 215 d | 8a |
| Flat Rock | Apr 7 | Oct 31 | 207 d | 7b |
| Flomaton | Mar 10 | Nov 15 | 250 d | 8b |
| Florala | Mar 4 | Nov 26 | 267 d | 8b |
| Florence | Mar 27 | Nov 3 | 221 d | 8a |
| Foley | Mar 5 | Nov 23 | 263 d | 9a |
| Forest Home | Mar 8 | Nov 20 | 257 d | 8b |
| Forkland | Mar 16 | Nov 14 | 243 d | 8b |
| Fort Davis | Mar 25 | Nov 8 | 228 d | 8b |
| Fort Deposit | Mar 8 | Nov 20 | 257 d | 8b |
| Fort Mitchell | Mar 26 | Nov 8 | 227 d | 8b |
| Fort Payne | Mar 29 | Nov 8 | 224 d | 7b |
| Fort Rucker | Mar 9 | Nov 21 | 257 d | 8b |
| Fosters | Mar 12 | Nov 15 | 248 d | 8b |
| Franklin | Mar 22 | Nov 8 | 231 d | 8b |
| Frankville | Mar 26 | Nov 8 | 227 d | 8b |
| Frisco City | Feb 28 | Nov 27 | 272 d | 8b |
| Fruitdale | Mar 26 | Nov 8 | 227 d | 8b |
| Fruithurst | Apr 6 | Oct 31 | 208 d | 8a |
| Fulton | Mar 17 | Nov 9 | 237 d | 8b |
| Fultondale | Mar 21 | Nov 11 | 235 d | 8a |
| Furman | Mar 18 | Nov 11 | 238 d | 8b |
| Fyffe | Mar 31 | Nov 3 | 217 d | 8a |