When to plant swiss chard in Texas
Texas spans USDA zones 7a–10a, so the right time to plant swiss chard shifts by weeks across the state. The window to sow seed directly outdoors runs from about December 25 in Edinburg to April 7 in Dumas — below are local dates for 267 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Houston | 9b | February 2 | December 25 | January 19 – March 2 |
| San Antonio | 9a | February 25 | November 28 | February 11 – March 25 |
| Dallas | 8b | March 2 | November 29 | February 16 – March 30 |
| Austin | 9a | February 20 | December 3 | February 6 – March 20 |
| Fort Worth | 8b | March 5 | November 24 | February 19 – April 2 |
| El Paso | 8b | March 2 | November 20 | February 16 – March 30 |
| Arlington | 8b | March 9 | November 21 | February 23 – April 6 |
| Corpus Christi | 10a | January 22 | January 4 | January 8 – February 19 |
Swiss Chard in Texas: FAQ
When can I plant swiss chard in Texas?
Across Texas, the time to direct-sow swiss chard spans roughly December 25 in Edinburg to April 7 in Dumas, each following that city's local frost dates.
Does the swiss chard planting date vary across Texas?
Yes. Texas publishes 267 cities with their own frost dates, so the right swiss chard 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 swiss chard take to grow in Texas?
Swiss Chard takes about 50–60 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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