Michigan frost dates: L
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| La Salle | Apr 23 | Oct 23 | 183 d | 6b |
| Lachine | May 17 | Oct 1 | 137 d | 5a |
| Lacota | Apr 17 | Nov 5 | 202 d | 6b |
| Laingsburg | May 1 | Oct 13 | 165 d | 6a |
| Lake | Apr 30 | Oct 20 | 173 d | 5a |
| Lake Ann | May 22 | Oct 9 | 140 d | 6a |
| Lake City | May 22 | Sep 26 | 127 d | 5a |
| Lake George | May 9 | Oct 4 | 148 d | 5a |
| Lake Leelanau | Apr 30 | Nov 1 | 185 d | 6b |
| Lake Linden | May 17 | Oct 1 | 137 d | 5b |
| Lake Odessa | May 3 | Oct 12 | 162 d | 6a |
| Lake Orion | Apr 26 | Oct 22 | 179 d | 6a |
| Lakeland | May 5 | Oct 13 | 161 d | 6a |
| Lakeside | Apr 19 | Oct 27 | 191 d | 6b |
| Lakeview | May 18 | Sep 28 | 133 d | 5b |
| Lakeville | Apr 26 | Oct 22 | 179 d | 6a |
| Lambertville | Apr 29 | Oct 13 | 167 d | 6b |
| Lamont | May 14 | Sep 29 | 138 d | 6a |
| Lanse | May 31 | Sep 22 | 114 d | 5a |
| Lansing | May 1 | Oct 13 | 165 d | 6a |
| Lapeer | May 4 | Oct 14 | 163 d | 6a |
| Lawrence | May 7 | Oct 11 | 157 d | 6a |
| Lawton | Apr 28 | Oct 18 | 173 d | 6a |
| Leland | May 9 | Oct 26 | 170 d | 6b |
| Lennon | May 3 | Oct 11 | 161 d | 6a |
| Leonard | Apr 26 | Oct 22 | 179 d | 6a |
| Leonidas | Apr 30 | Oct 17 | 170 d | 6a |
| Leroy | May 15 | Oct 1 | 139 d | 5a |
| Leslie | Apr 30 | Oct 14 | 167 d | 6a |
| Levering | May 21 | Sep 27 | 129 d | 5a |
| Lewiston | May 11 | Oct 6 | 148 d | 5a |
| Lexington | May 4 | Oct 24 | 173 d | 6a |
| Lincoln | May 8 | Oct 16 | 161 d | 5b |
| Lincoln Park | May 1 | Oct 15 | 167 d | 6b |
| Linden | May 3 | Oct 12 | 162 d | 6a |
| Linwood | May 3 | Oct 14 | 164 d | 6a |
| Litchfield | May 3 | Oct 12 | 162 d | 6a |
| Little Lake | May 13 | Oct 2 | 142 d | 5a |
| Livonia | May 1 | Oct 17 | 169 d | 6b |
| Long Lake | May 21 | Sep 29 | 131 d | 5a |
| Loretto | May 17 | Oct 1 | 137 d | 5a |
| Lowell | Apr 29 | Oct 20 | 174 d | 6a |
| Ludington | May 17 | Oct 7 | 143 d | 6b |
| Luna Pier | Apr 23 | Oct 23 | 183 d | 6b |
| Lupton | May 21 | Sep 29 | 131 d | 5a |
| Luther | May 15 | Oct 1 | 139 d | 5a |
| Luzerne | May 19 | Oct 2 | 136 d | 5a |
| Lyons | May 3 | Oct 12 | 162 d | 6a |