When to plant thyme in Texas
Texas spans USDA zones 7a–10a, so the right time to plant thyme shifts by weeks across the state. The window to transplant seedlings outdoors runs from about January 8 in Edinburg to April 21 in Dumas — below are local dates for 267 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Houston | 9b | February 2 | December 25 | February 2 – February 16 |
| San Antonio | 9a | February 25 | November 28 | February 25 – March 11 |
| Dallas | 8b | March 2 | November 29 | March 2 – March 16 |
| Austin | 9a | February 20 | December 3 | February 20 – March 6 |
| Fort Worth | 8b | March 5 | November 24 | March 5 – March 19 |
| El Paso | 8b | March 2 | November 20 | March 2 – March 16 |
| Arlington | 8b | March 9 | November 21 | March 9 – March 23 |
| Corpus Christi | 10a | January 22 | January 4 | January 22 – February 5 |
Thyme in Texas: FAQ
When can I plant thyme in Texas?
Across Texas, the time to transplant thyme spans roughly January 8 in Edinburg to April 21 in Dumas, each following that city's local frost dates.
Does the thyme planting date vary across Texas?
Yes. Texas publishes 267 cities with their own frost dates, so the right thyme planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
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