Michigan frost dates: K
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Kalamazoo | Apr 28 | Oct 18 | 173 d | 6a |
| Kaleva | May 28 | Sep 25 | 120 d | 6a |
| Kalkaska | May 24 | Oct 1 | 130 d | 5a |
| Kawkawlin | May 3 | Oct 14 | 164 d | 6a |
| Kearsarge | May 17 | Oct 1 | 137 d | 5b |
| Keego Harbor | Apr 26 | Oct 22 | 179 d | 6a |
| Kendall | May 7 | Oct 11 | 157 d | 6a |
| Kent City | May 14 | Sep 29 | 138 d | 6a |
| Kewadin | May 13 | Oct 19 | 159 d | 6a |
| Kincheloe | May 24 | Oct 1 | 130 d | 5a |
| Kinde | May 8 | Oct 17 | 162 d | 6a |
| Kingsford | May 17 | Oct 1 | 137 d | 4b |
| Kingsley | May 24 | Oct 1 | 130 d | 5b |
| Kingston | May 7 | Oct 9 | 155 d | 6a |
| Kinross | May 24 | Oct 1 | 130 d | 4b |