When to plant swiss chard in South Carolina
South Carolina spans USDA zones 8a–9b, so the right time to plant swiss chard shifts by weeks across the state. The window to sow seed directly outdoors runs from about January 21 in Charleston to April 6 in Gaffney — below are local dates for 63 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Charleston | 9a | February 4 | December 30 | January 21 – March 4 |
| Columbia | 8b | March 22 | November 15 | March 8 – April 19 |
| North Charleston | 9a | March 7 | November 27 | February 21 – April 4 |
| Mount Pleasant | 9a | March 13 | November 30 | February 27 – April 10 |
| Rock Hill | 8a | March 27 | November 5 | March 13 – April 24 |
| Greenville | 8a | March 28 | November 7 | March 14 – April 25 |
| Summerville | 8b | March 22 | November 12 | March 8 – April 19 |
| Goose Creek | 8b | March 7 | November 27 | February 21 – April 4 |
Swiss Chard in South Carolina: FAQ
When can I plant swiss chard in South Carolina?
Across South Carolina, the time to direct-sow swiss chard spans roughly January 21 in Charleston to April 6 in Gaffney, each following that city's local frost dates.
Does the swiss chard planting date vary across South Carolina?
Yes. South Carolina publishes 63 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 South Carolina?
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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