New Jersey frost dates: F
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Fair Haven | Apr 9 | Nov 3 | 208 d | 7b |
| Fair Lawn | Apr 3 | Nov 4 | 215 d | 7a |
| Fairfield | Apr 14 | Oct 28 | 197 d | 7a |
| Fairton | Apr 10 | Nov 1 | 205 d | 7a |
| Fairview | Mar 30 | Nov 20 | 235 d | 7b |
| Fanwood | Apr 11 | Oct 28 | 200 d | 7a |
| Far Hills | Apr 26 | Oct 18 | 175 d | 7a |
| Farmingdale | Apr 17 | Oct 23 | 189 d | 7a |
| Flagtown | Apr 16 | Oct 27 | 194 d | 7a |
| Flanders | Apr 25 | Oct 19 | 177 d | 6b |
| Flemington | Apr 24 | Oct 21 | 180 d | 7a |
| Florence | Apr 15 | Oct 29 | 197 d | 7b |
| Florham Park | Apr 18 | Oct 27 | 192 d | 7a |
| Fords | Apr 11 | Oct 28 | 200 d | 7b |
| Forked River | Apr 23 | Oct 20 | 180 d | 7a |
| Fort Lee | Apr 3 | Nov 4 | 215 d | 7b |
| Fort Monmouth | Apr 9 | Nov 3 | 208 d | 7b |
| Fortescue | Apr 24 | Oct 23 | 182 d | 7b |
| Franklin | May 1 | Oct 12 | 164 d | 6b |
| Franklin Lakes | Apr 19 | Oct 23 | 187 d | 7a |
| Franklin Park | Apr 15 | Oct 26 | 194 d | 7a |
| Franklinville | Apr 11 | Nov 3 | 206 d | 7b |
| Freehold | Apr 17 | Oct 23 | 189 d | 7a |
| Frenchtown | Apr 24 | Oct 21 | 180 d | 7a |