Maryland frost dates: K
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Keedysville | Apr 26 | Oct 18 | 175 d | 7a |
| Kennedyville | Apr 3 | Nov 5 | 216 d | 7b |
| Kensington | Apr 1 | Nov 6 | 219 d | 7b |
| Keymar | Apr 22 | Oct 20 | 181 d | 7a |
| Kingsville | Apr 10 | Oct 30 | 203 d | 7b |
| Kitzmiller | Apr 29 | Oct 20 | 174 d | 6a |
| Knoxville | Apr 26 | Oct 18 | 175 d | 7a |