Oklahoma frost dates: L
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Lahoma | Apr 10 | Oct 31 | 204 d | 7a |
| Lamar | Mar 29 | Nov 5 | 221 d | 7b |
| Lamont | Apr 18 | Oct 20 | 185 d | 7a |
| Lane | Mar 29 | Nov 4 | 220 d | 8a |
| Langley | Apr 7 | Nov 2 | 209 d | 7a |
| Langston | Apr 3 | Nov 1 | 212 d | 7a |
| Laverne | Apr 13 | Oct 28 | 198 d | 7a |
| Lawton | Mar 26 | Nov 7 | 226 d | 7b |
| Lebanon | Mar 24 | Nov 6 | 227 d | 8a |
| Leedey | Apr 15 | Oct 23 | 191 d | 7a |
| Leflore | Apr 2 | Nov 5 | 217 d | 7b |
| Lehigh | Apr 5 | Nov 1 | 210 d | 7b |
| Lenapah | Apr 6 | Nov 1 | 209 d | 7a |
| Leon | Mar 31 | Nov 4 | 218 d | 8a |
| Leonard | Apr 1 | Nov 1 | 214 d | 7b |
| Lequire | Mar 23 | Nov 5 | 227 d | 7b |
| Lexington | Apr 4 | Nov 2 | 212 d | 7b |
| Lindsay | Apr 13 | Oct 27 | 197 d | 7b |
| Loco | Mar 23 | Nov 7 | 229 d | 8a |
| Locust Grove | Apr 5 | Oct 30 | 208 d | 7b |
| Lone Grove | Mar 21 | Nov 8 | 232 d | 8a |
| Lone Wolf | Apr 2 | Nov 3 | 215 d | 7b |
| Longdale | Apr 5 | Nov 1 | 210 d | 7a |
| Lookeba | Apr 5 | Nov 1 | 210 d | 7b |
| Loveland | Apr 7 | Nov 2 | 209 d | 8a |
| Loyal | Apr 9 | Nov 1 | 206 d | 7a |
| Lucien | Apr 4 | Nov 1 | 211 d | 7a |
| Luther | Apr 2 | Nov 5 | 217 d | 7b |