Florida frost dates: R
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Raiford | Feb 8 | Dec 24 | 319 d | 9a |
| Reddick | Feb 25 | Dec 12 | 290 d | 9a |
| River Ranch | Jan 26 | Jan 10 | 349 d | 9b |
| Riverview | Jan 20 | Jan 9 | 354 d | 10a |
| Rockledge | Jan 24 | Jan 9 | 350 d | 10a |
| Roseland | Jan 30 | Jan 11 | 346 d | 10a |
| Rosemary Beach | Feb 25 | Dec 1 | 279 d | 9a |
| Rotonda West | Jan 21 | Jan 14 | 358 d | 10b |
| Royal Palm Beach | rare frost | 10b | ||
| Ruskin | Jan 20 | Jan 9 | 354 d | 10a |