When to plant cardoon in Tennessee
Tennessee spans USDA zones 7a–8a, so the right time to plant cardoon shifts by weeks across the state. The window to transplant seedlings outdoors runs from about March 16 in Memphis to April 22 in Halls — below are local dates for 67 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Nashville-Davidson | 7b | April 1 | October 31 | April 1 – April 15 |
| Memphis | 8a | March 16 | November 16 | March 16 – March 30 |
| Knoxville | 7b | April 11 | October 28 | April 11 – April 25 |
| Chattanooga | 8a | March 24 | November 9 | March 24 – April 7 |
| Clarksville | 7b | April 3 | November 1 | April 3 – April 17 |
| Murfreesboro | 7b | April 9 | October 27 | April 9 – April 23 |
| Franklin | 7b | April 3 | October 31 | April 3 – April 17 |
| Johnson City | 7b | April 19 | October 24 | April 19 – May 3 |
Cardoon in Tennessee: FAQ
When can I plant cardoon in Tennessee?
Across Tennessee, the time to transplant cardoon spans roughly March 16 in Memphis to April 22 in Halls, each following that city's local frost dates.
Does the cardoon planting date vary across Tennessee?
Yes. Tennessee publishes 67 cities with their own frost dates, so the right cardoon planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
How long does cardoon take to grow in Tennessee?
Cardoon takes about 120–150 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.
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