South Carolina frost dates: B
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Ballentine | Apr 10 | Oct 28 | 201 d | 8b |
| Bamberg | Mar 18 | Nov 12 | 239 d | 8b |
| Barnwell | Mar 22 | Nov 9 | 232 d | 8b |
| Batesburg | Mar 20 | Nov 18 | 243 d | 8a |
| Bath | Apr 9 | Nov 1 | 206 d | 8b |
| Beaufort | Mar 3 | Dec 9 | 281 d | 9a |
| Beech Island | Apr 9 | Nov 1 | 206 d | 8b |
| Belton | Mar 23 | Nov 11 | 233 d | 8a |
| Bennettsville | Mar 26 | Nov 8 | 227 d | 8a |
| Bethune | Mar 29 | Nov 4 | 220 d | 8a |
| Bishopville | Mar 29 | Nov 4 | 220 d | 8b |
| Blacksburg | Apr 20 | Oct 24 | 187 d | 8a |
| Blackstock | Apr 3 | Nov 2 | 213 d | 8a |
| Blackville | Mar 20 | Nov 13 | 238 d | 8b |
| Blair | Apr 4 | Nov 1 | 211 d | 8a |
| Blenheim | Mar 26 | Nov 8 | 227 d | 8b |
| Bluffton | Mar 3 | Dec 9 | 281 d | 9a |
| Blythewood | Apr 10 | Oct 28 | 201 d | 8a |
| Boiling Springs | Apr 13 | Oct 26 | 196 d | 8a |
| Bonneau | Mar 10 | Nov 26 | 261 d | 8b |
| Bowling Green | Mar 24 | Nov 9 | 230 d | 8a |
| Bowman | Mar 15 | Nov 19 | 249 d | 8b |
| Bradley | Mar 28 | Nov 7 | 224 d | 8a |
| Branchville | Mar 18 | Nov 12 | 239 d | 8b |
| Brunson | Mar 6 | Nov 26 | 265 d | 8b |
| Buffalo | Apr 6 | Oct 30 | 207 d | 8a |