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Frost dates and growing zones in Tennessee
Towns covered so far in Tennessee fall in USDA zones 7a, 7b, 8a. Median dates mean frost comes later (spring) or earlier (fall) in half of years.
Towns
| Town | Zone | Median last frost | Median first frost |
|---|---|---|---|
| Nashville | 7b | Mar 31 | Nov 3 |
| Memphis | 8a | Mar 16 | Nov 16 |
| Knoxville | 7b | Apr 11 | Oct 28 |
| Chattanooga | 8a | Mar 24 | Nov 9 |
| Clarksville | 7b | Apr 3 | Nov 1 |
| Murfreesboro | 7b | Apr 9 | Oct 27 |
| Franklin | 7b | Apr 3 | Oct 31 |
| Johnson City | 7b | Apr 19 | Oct 24 |
| Kingsport | 7b | Apr 9 | Oct 29 |
| Cookeville | 7a | Apr 14 | Oct 25 |
| Morristown | 7b | Apr 10 | Oct 28 |
| Maryville | 7b | Apr 1 | Nov 2 |