Michigan frost dates: G
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Gaastra | Jun 4 | Sep 10 | 98 d | 4a |
| Gagetown | May 7 | Oct 10 | 156 d | 6a |
| Gaines | May 3 | Oct 11 | 161 d | 6a |
| Galesburg | Apr 29 | Oct 20 | 174 d | 6a |
| Galien | Apr 27 | Oct 25 | 181 d | 6a |
| Garden | May 16 | Sep 24 | 131 d | 5b |
| Garden City | May 1 | Oct 15 | 167 d | 6b |
| Gaylord | May 22 | Sep 30 | 131 d | 5a |
| Genesee | May 8 | Oct 5 | 150 d | 6a |
| Germfask | May 26 | Sep 30 | 127 d | 5a |
| Gladstone | May 19 | Oct 1 | 135 d | 5a |
| Gladwin | May 9 | Oct 4 | 148 d | 5b |
| Glen Arbor | May 22 | Oct 9 | 140 d | 6b |
| Glenn | Apr 17 | Nov 5 | 202 d | 6b |
| Glennie | May 19 | Sep 29 | 133 d | 5a |
| Gobles | May 7 | Oct 11 | 157 d | 6a |
| Goetzville | May 31 | Sep 25 | 117 d | 5a |
| Good Hart | May 15 | Oct 16 | 154 d | 5b |
| Goodells | May 1 | Oct 20 | 172 d | 6a |
| Goodrich | May 1 | Oct 14 | 166 d | 6a |
| Gould City | May 26 | Sep 30 | 127 d | 5b |
| Gowen | May 18 | Sep 28 | 133 d | 6a |
| Grand Blanc | May 1 | Oct 14 | 166 d | 6a |
| Grand Haven | Apr 30 | Oct 24 | 177 d | 6b |
| Grand Junction | May 7 | Oct 11 | 157 d | 6a |
| Grand Ledge | May 1 | Oct 13 | 165 d | 6a |
| Grand Marais | May 27 | Oct 10 | 136 d | 5b |
| Grand Rapids | May 6 | Oct 10 | 157 d | 6a |
| Grandville | May 6 | Oct 10 | 157 d | 6a |
| Grant | May 14 | Sep 29 | 138 d | 6a |
| Grass Lake | Apr 30 | Oct 12 | 165 d | 6a |
| Grawn | May 9 | Oct 15 | 159 d | 6a |
| Grayling | May 23 | Sep 27 | 127 d | 5a |
| Greenbush | May 8 | Oct 16 | 161 d | 6a |
| Greenland | May 27 | Oct 1 | 127 d | 5a |
| Greenville | May 18 | Sep 28 | 133 d | 6a |
| Gregory | Apr 30 | Oct 14 | 167 d | 6a |
| Grosse Ile | Apr 20 | Oct 27 | 190 d | 6b |
| Grosse Pointe | Apr 29 | Oct 22 | 176 d | 6b |
| Gulliver | May 9 | Oct 10 | 154 d | 5a |
| Gwinn | May 13 | Oct 2 | 142 d | 5a |