Tennessee planting zones & frost dates
The 7 Tennessee cities on this site fall in zones 7b, 8a. Last spring frost dates range from Mar 24 in Memphis to Apr 19 in Knoxville.
| City | Zone | Last frost | First frost | Population |
|---|---|---|---|---|
| Nashville | 7b | Apr 7 | Oct 25 | 704,963 |
| Memphis | 8a | Mar 24 | Nov 9 | 610,919 |
| Knoxville | 7b | Apr 19 | Oct 22 | 198,722 |
| Chattanooga | 8a | Mar 31 | Nov 3 | 191,496 |
| Clarksville | 7b | Apr 10 | Oct 27 | 185,690 |
| Murfreesboro | 7b | Apr 15 | Oct 22 | 168,387 |
| Franklin | 7b | Apr 10 | Oct 25 | 89,142 |
Frost dates are 30%-risk dates from the nearest suitable NOAA station. Population: Census Vintage 2024 estimates.