New Jersey frost dates: G
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Garfield | Apr 3 | Nov 4 | 215 d | 7b |
| Garwood | Apr 11 | Oct 31 | 203 d | 7a |
| Gibbsboro | Apr 12 | Nov 1 | 203 d | 7b |
| Gibbstown | Apr 2 | Nov 10 | 222 d | 7b |
| Gillette | Apr 11 | Oct 28 | 200 d | 7a |
| Gladstone | Apr 26 | Oct 18 | 175 d | 7a |
| Glassboro | Apr 8 | Nov 1 | 207 d | 7b |
| Glasser | May 1 | Oct 12 | 164 d | 6b |
| Glen Gardner | Apr 24 | Oct 21 | 180 d | 6b |
| Glen Ridge | Apr 18 | Oct 24 | 189 d | 7a |
| Glen Rock | Apr 15 | Oct 28 | 196 d | 7a |
| Glendora | Apr 8 | Nov 1 | 207 d | 7b |
| Glenwood | May 1 | Oct 12 | 164 d | 6b |
| Gloucester City | Mar 30 | Nov 17 | 232 d | 7b |
| Goshen | Apr 24 | Oct 22 | 181 d | 7b |
| Great Meadows | Apr 30 | Oct 18 | 171 d | 6b |
| Green Creek | Apr 1 | Nov 9 | 222 d | 8a |
| Green Village | Apr 18 | Oct 27 | 192 d | 7a |
| Greendell | Apr 25 | Oct 19 | 177 d | 6b |
| Greenwich | Apr 10 | Nov 1 | 205 d | 7b |
| Grenloch | Apr 8 | Nov 1 | 207 d | 7b |