Tennessee frost dates: L
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| La Follette | Apr 18 | Oct 24 | 189 d | 7a |
| La Grange | Apr 1 | Nov 3 | 216 d | 7b |
| La Vergne | Apr 13 | Oct 21 | 191 d | 7b |
| Laconia | Apr 1 | Nov 3 | 216 d | 7b |
| Lafayette | Apr 3 | Nov 1 | 212 d | 7b |
| Lake City | Apr 22 | Oct 25 | 186 d | 7b |
| Lancaster | Apr 3 | Nov 4 | 215 d | 7b |
| Lancing | Apr 21 | Oct 17 | 179 d | 7a |
| Lascassas | Apr 9 | Oct 27 | 201 d | 7b |
| Laurel Bloomery | Apr 27 | Oct 14 | 170 d | 7a |
| Lavinia | Apr 4 | Oct 28 | 207 d | 7b |
| Lawrenceburg | Apr 8 | Oct 31 | 206 d | 7b |
| Lebanon | Apr 6 | Oct 28 | 205 d | 7b |
| Lenoir City | Apr 5 | Nov 1 | 210 d | 7b |
| Lenox | Mar 28 | Nov 2 | 219 d | 7b |
| Leoma | Apr 8 | Oct 31 | 206 d | 7b |
| Lewisburg | Apr 14 | Oct 22 | 191 d | 7b |
| Lexington | Apr 5 | Oct 30 | 208 d | 7b |
| Liberty | Apr 3 | Nov 4 | 215 d | 7b |
| Limestone | Apr 21 | Oct 23 | 185 d | 7b |
| Linden | Apr 12 | Oct 25 | 196 d | 7b |
| Livingston | Apr 12 | Oct 25 | 196 d | 7a |
| Lobelville | Apr 13 | Oct 24 | 194 d | 7b |
| Lone Mountain | Apr 23 | Oct 19 | 179 d | 7a |
| Lookout Mountain | Mar 31 | Nov 6 | 220 d | 7b |
| Loretto | Mar 29 | Nov 4 | 220 d | 7b |
| Loudon | Apr 5 | Nov 1 | 210 d | 7b |
| Louisville | Apr 1 | Nov 2 | 215 d | 7b |
| Lowland | Apr 10 | Oct 28 | 201 d | 7b |
| Lupton City | Mar 24 | Nov 9 | 230 d | 8a |
| Luray | Apr 5 | Oct 30 | 208 d | 7b |
| Luttrell | Apr 22 | Oct 25 | 186 d | 7b |
| Lutts | Apr 14 | Oct 24 | 193 d | 7b |
| Lyles | Apr 11 | Oct 27 | 199 d | 7b |
| Lynchburg | Apr 15 | Oct 25 | 193 d | 7b |
| Lynnville | Apr 14 | Oct 24 | 193 d | 7b |