New Jersey frost dates: L
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Lafayette | Apr 24 | Oct 16 | 175 d | 6b |
| Lake Hiawatha | Apr 17 | Oct 23 | 189 d | 7a |
| Lake Hopatcong | Apr 25 | Oct 19 | 177 d | 6b |
| Lakehurst | Apr 23 | Oct 20 | 180 d | 7a |
| Lakewood | Apr 23 | Oct 20 | 180 d | 7a |
| Lambertville | Apr 16 | Oct 19 | 186 d | 7a |
| Landing | Apr 25 | Oct 19 | 177 d | 6b |
| Landisville | Apr 14 | Oct 27 | 196 d | 7a |
| Lanoka Harbor | Apr 23 | Oct 20 | 180 d | 7b |
| Lavallette | Apr 23 | Oct 20 | 180 d | 7b |
| Lawnside | Apr 12 | Nov 1 | 203 d | 7b |
| Lawrence Township | Apr 17 | Oct 28 | 194 d | 7a |
| Layton | Apr 30 | Oct 11 | 164 d | 6b |
| Lebanon | Apr 24 | Oct 21 | 180 d | 7a |
| Ledgewood | Apr 25 | Oct 19 | 177 d | 6b |
| Leeds Point | Mar 26 | Nov 21 | 240 d | 7b |
| Leesburg | Apr 24 | Oct 22 | 181 d | 7b |
| Leonardo | Apr 9 | Nov 3 | 208 d | 7b |
| Leonia | Apr 3 | Nov 4 | 215 d | 7b |
| Liberty Corner | Apr 30 | Oct 20 | 173 d | 7a |
| Lincoln Park | Apr 14 | Oct 28 | 197 d | 7a |
| Lincroft | Apr 9 | Nov 3 | 208 d | 7b |
| Linden | Apr 11 | Oct 31 | 203 d | 7b |
| Linwood | Mar 26 | Nov 22 | 241 d | 7b |
| Little Falls | Apr 15 | Oct 28 | 196 d | 7a |
| Little Ferry | Apr 3 | Nov 4 | 215 d | 7b |
| Little Silver | Apr 9 | Nov 3 | 208 d | 7b |
| Little York | Apr 24 | Oct 21 | 180 d | 7a |
| Livingston | Apr 18 | Oct 24 | 189 d | 7a |
| Lodi | Apr 3 | Nov 4 | 215 d | 7b |
| Long Branch | Apr 9 | Nov 3 | 208 d | 7b |
| Long Valley | Apr 26 | Oct 18 | 175 d | 6b |
| Longport | Mar 26 | Nov 22 | 241 d | 7b |
| Lumberton | Apr 15 | Oct 28 | 196 d | 7b |
| Lyndhurst | Apr 3 | Nov 4 | 215 d | 7b |
| Lyons | Apr 30 | Oct 20 | 173 d | 7a |