Louisiana frost dates: F
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Fairbanks | Mar 8 | Nov 15 | 252 d | 8b |
| Farmerville | Mar 14 | Nov 16 | 247 d | 8b |
| Fenton | Mar 2 | Nov 25 | 268 d | 9a |
| Ferriday | Mar 16 | Nov 9 | 238 d | 9a |
| Fisher | Mar 20 | Nov 9 | 234 d | 9a |
| Flatwoods | Mar 2 | Nov 27 | 270 d | 9a |
| Flora | Feb 28 | Dec 1 | 276 d | 9a |
| Florien | Mar 3 | Nov 27 | 269 d | 9a |
| Fluker | Mar 7 | Nov 18 | 256 d | 9a |
| Folsom | Mar 12 | Nov 18 | 251 d | 9a |
| Fordoche | Feb 19 | Dec 5 | 289 d | 9a |
| Forest | Mar 5 | Nov 24 | 264 d | 8b |
| Forest Hill | Mar 1 | Nov 22 | 266 d | 9a |
| Fort Necessity | Mar 10 | Nov 16 | 251 d | 8b |
| Fort Polk | Mar 20 | Nov 9 | 234 d | 9a |
| Franklin | Feb 11 | Dec 8 | 300 d | 9b |
| Franklinton | Mar 15 | Nov 16 | 246 d | 9a |
| French Settlement | Feb 21 | Dec 5 | 287 d | 9a |
| Frierson | Mar 12 | Nov 15 | 248 d | 8b |