Frost dates across Tennessee
Typical last spring frost, first fall frost, and USDA zone for 11 Tennessee cities, from 30-year NOAA climate normals. Every date is a 50 percent odds line, not a promise. Pick a city for the full frost window and what is plantable there now.
Not on the list? Any Tennessee ZIP works.
| City | Last spring frost | First fall frost | Season length | Zone |
|---|---|---|---|---|
| Nashville | Apr 1 | Oct 31 | about 213 days | 7b |
| Memphis | Mar 16 | Nov 16 | about 245 days | 8a |
| Knoxville | Apr 11 | Oct 28 | about 200 days | 7b |
| Chattanooga | Mar 31 | Nov 6 | about 220 days | 8a |
| Clarksville | Apr 10 | Oct 30 | about 203 days | 7b |
| Murfreesboro | Apr 9 | Oct 27 | about 201 days | 7b |
| Johnson City | Apr 19 | Oct 24 | about 188 days | 7b |
| Jackson | Apr 2 | Oct 29 | about 210 days | 7b |
| Cookeville | Apr 14 | Oct 25 | about 194 days | 7a |
| Lawrenceburg | Apr 8 | Oct 31 | about 206 days | 7b |
| Union City | Apr 3 | Oct 29 | about 209 days | 7b |
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