Tennessee frost dates: D
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Dandridge | Apr 24 | Oct 17 | 176 d | 7b |
| Darden | Apr 5 | Oct 29 | 207 d | 7b |
| Dayton | Apr 4 | Oct 31 | 210 d | 7b |
| Decatur | Apr 4 | Oct 31 | 210 d | 7b |
| Decaturville | Apr 4 | Oct 30 | 209 d | 7b |
| Decherd | Apr 6 | Oct 29 | 206 d | 7b |
| Deer Lodge | Apr 21 | Oct 17 | 179 d | 7a |
| Del Rio | Apr 6 | Nov 1 | 209 d | 7b |
| Delano | Apr 6 | Oct 30 | 207 d | 7b |
| Dellrose | Mar 30 | Nov 4 | 219 d | 7b |
| Denmark | Apr 5 | Oct 29 | 207 d | 7b |
| Dickson | Apr 13 | Oct 25 | 195 d | 7b |
| Dixon Springs | Apr 3 | Nov 1 | 212 d | 7b |
| Dover | Apr 4 | Oct 31 | 210 d | 7b |
| Dowelltown | Apr 18 | Oct 22 | 187 d | 7b |
| Doyle | Apr 15 | Oct 23 | 191 d | 7b |
| Dresden | Apr 3 | Nov 1 | 212 d | 7b |
| Drummonds | Mar 27 | Nov 4 | 222 d | 8a |
| Duck River | Apr 11 | Oct 24 | 196 d | 7b |
| Ducktown | Apr 22 | Oct 20 | 181 d | 7b |
| Duff | Apr 18 | Oct 24 | 189 d | 7b |
| Dukedom | Apr 4 | Oct 28 | 207 d | 7b |
| Dunlap | Mar 26 | Nov 8 | 227 d | 7b |
| Dyer | Apr 4 | Oct 28 | 207 d | 7b |
| Dyersburg | Mar 28 | Nov 2 | 219 d | 7b |