When to plant Summer squash (zucchini) in Tennessee
In spring, from Apr 1 – May 15 in Chattanooga to May 1 – June 15 in Johnson City.
In fall, June 1 – Aug 1.
USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Alcoa | Apr 10 – June 1 | June 1 – Aug 1 |
| Arlington | Apr 10 – June 1 | June 1 – Aug 10 |
| Athens | Apr 20 – June 1 | June 1 – Aug 1 |
| Atoka | Apr 10 – June 1 | June 1 – Aug 1 |
| Bartlett | Apr 10 – June 1 | June 1 – Aug 10 |
| Brentwood | Apr 20 – June 1 | June 1 – Aug 1 |
| Bristol | May 1 – June 15 | June 1 – July 20 |
| Chattanooga | Apr 1 – May 15 | June 1 – Aug 10 |
| Clarksville | Apr 10 – June 1 | June 1 – Aug 1 |
| Cleveland | Apr 20 – June 1 | June 1 – Aug 1 |
| Clinton | Apr 10 – June 1 | June 1 – Aug 1 |
| Collegedale | Apr 1 – May 15 | June 1 – Aug 10 |
| Collierville | Apr 10 – June 1 | June 1 – Aug 1 |
| Columbia | Apr 20 – June 1 | June 1 – Aug 1 |
| Cookeville | Apr 20 – June 1 | June 1 – July 20 |
| Crossville | May 1 – June 15 | June 1 – July 20 |
| Dickson | Apr 20 – June 1 | June 1 – July 20 |
| Dyersburg | Apr 10 – June 1 | June 1 – Aug 1 |
| East Ridge | Apr 1 – May 15 | June 1 – Aug 10 |
| Elizabethton | May 1 – June 15 | June 1 – July 20 |
| Fairview | Apr 20 – June 1 | June 1 – Aug 1 |
| Farragut | Apr 20 – June 1 | June 1 – Aug 1 |
| Franklin | Apr 10 – June 1 | June 1 – Aug 1 |
| Gallatin | May 1 – June 15 | June 1 – July 20 |
| Germantown | Apr 1 – May 15 | June 1 – Aug 10 |
| Goodlettsville | Apr 20 – June 1 | June 1 – Aug 1 |
| Greeneville | May 1 – June 15 | June 1 – July 20 |
| Hartsville/Trousdale County | Apr 20 – June 1 | June 1 – Aug 1 |
| Hendersonville | Apr 20 – June 1 | June 1 – Aug 1 |
| Jackson | Apr 10 – June 1 | June 1 – Aug 1 |
| Johnson City | May 1 – June 15 | June 1 – July 20 |
| Kingsport | Apr 20 – June 1 | June 1 – Aug 1 |
| Knoxville | Apr 20 – June 1 | June 1 – Aug 1 |
| La Vergne | Apr 20 – June 1 | June 1 – July 20 |
| Lakeland | Apr 10 – June 1 | June 1 – Aug 10 |
| Lawrenceburg | Apr 20 – June 1 | June 1 – Aug 1 |
| Lebanon | Apr 20 – June 1 | June 1 – Aug 1 |
| Lenoir City | Apr 20 – June 1 | June 1 – Aug 1 |
| Lewisburg | Apr 20 – June 1 | June 1 – July 20 |
| Manchester | Apr 20 – June 1 | June 1 – July 20 |
| Martin | Apr 10 – June 1 | June 1 – Aug 1 |
| Maryville | Apr 10 – June 1 | June 1 – Aug 1 |
| McMinnville | Apr 20 – June 1 | June 1 – Aug 1 |
| Memphis | Apr 1 – May 15 | June 1 – Aug 20 |
| Millington | Apr 10 – June 1 | June 1 – Aug 10 |
| Morristown | Apr 20 – June 1 | June 1 – Aug 1 |
| Mount Juliet | Apr 10 – June 1 | June 1 – Aug 1 |
| Murfreesboro | Apr 20 – June 1 | June 1 – Aug 1 |
| Nashville | Apr 10 – June 1 | June 1 – Aug 1 |
| Nolensville | Apr 20 – June 1 | June 1 – Aug 1 |
| Oak Ridge | Apr 20 – June 1 | June 1 – Aug 1 |
| Oakland | Apr 10 – June 1 | June 1 – Aug 1 |
| Paris | Apr 20 – June 1 | June 1 – Aug 1 |
| Portland | Apr 20 – June 1 | June 1 – Aug 1 |
| Red Bank | Apr 10 – June 1 | June 1 – Aug 10 |
| Sevierville | Apr 20 – June 1 | June 1 – Aug 1 |
| Shelbyville | Apr 20 – June 1 | June 1 – Aug 1 |
| Smyrna | Apr 20 – June 1 | June 1 – July 20 |
| Soddy-Daisy | Apr 20 – June 1 | June 1 – Aug 1 |
| Spring Hill | Apr 10 – June 1 | June 1 – Aug 1 |
| Springfield | Apr 20 – June 1 | June 1 – Aug 1 |
| Tullahoma | Apr 20 – June 1 | June 1 – Aug 1 |
| Union City | Apr 10 – June 1 | June 1 – Aug 1 |
| White House | Apr 20 – June 1 | June 1 – Aug 1 |
| Winchester | Apr 20 – June 1 | June 1 – Aug 1 |
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for summer squash.