South Carolina planting zones & frost dates
The 4 South Carolina cities on this site fall in zones 8b, 9a. Last spring frost dates range from Feb 17 in Charleston to Mar 31 in Columbia.
| City | Zone | Last frost | First frost | Population |
|---|---|---|---|---|
| Charleston | 9a | Feb 17 | Dec 20 | 157,665 |
| Columbia | 8b | Mar 31 | Nov 9 | 144,788 |
| North Charleston | 9a | Mar 15 | Nov 19 | 126,005 |
| Mount Pleasant | 9a | Mar 21 | Nov 21 | 95,604 |
Frost dates are 30%-risk dates from the nearest suitable NOAA station. Population: Census Vintage 2024 estimates.