Minnesota frost dates: K
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Kabetogama | May 24 | Sep 20 | 119 d | 3b |
| Kanaranzi | May 1 | Oct 4 | 156 d | 5a |
| Kandiyohi | Apr 30 | Oct 7 | 160 d | 4b |
| Karlstad | May 8 | Sep 30 | 145 d | 3b |
| Kasota | May 2 | Oct 4 | 155 d | 5a |
| Kasson | May 12 | Sep 28 | 139 d | 4b |
| Keewatin | Jun 5 | Sep 8 | 95 d | 4a |
| Kelliher | May 16 | Sep 26 | 133 d | 3b |
| Kellogg | May 7 | Oct 2 | 148 d | 4b |
| Kennedy | May 8 | Sep 30 | 145 d | 4a |
| Kenneth | May 7 | Sep 29 | 145 d | 5a |
| Kensington | May 2 | Oct 8 | 159 d | 4b |
| Kent | May 4 | Oct 3 | 152 d | 4a |
| Kenyon | May 5 | Oct 5 | 153 d | 4b |
| Kerkhoven | May 1 | Oct 6 | 158 d | 4b |
| Kerrick | May 18 | Sep 26 | 131 d | 4a |
| Kettle River | May 12 | Oct 2 | 143 d | 4a |
| Kiester | Apr 30 | Oct 6 | 159 d | 5a |
| Kilkenny | May 5 | Oct 5 | 153 d | 4b |
| Kimball | May 2 | Oct 5 | 156 d | 4b |
| Kinney | Jun 5 | Sep 8 | 95 d | 3b |
| Knife River | May 12 | Oct 6 | 147 d | 4b |