North Carolina frost dates: H
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Halifax | Apr 5 | Nov 1 | 210 d | 8a |
| Hallsboro | Mar 29 | Nov 6 | 222 d | 8b |
| Hamilton | Mar 20 | Nov 12 | 237 d | 8a |
| Hamlet | Mar 30 | Nov 4 | 219 d | 8a |
| Hampstead | Mar 26 | Nov 13 | 232 d | 8b |
| Hamptonville | Apr 15 | Oct 26 | 194 d | 7b |
| Harbinger | Mar 15 | Dec 6 | 266 d | 9a |
| Harkers Island | Mar 10 | Dec 1 | 266 d | 9a |
| Harmony | Apr 16 | Oct 25 | 192 d | 7b |
| Harrells | Apr 2 | Nov 5 | 217 d | 8a |
| Harrellsville | Apr 6 | Nov 1 | 209 d | 8a |
| Harris | Apr 11 | Oct 27 | 199 d | 8a |
| Harrisburg | Apr 1 | Nov 2 | 215 d | 8a |
| Hassell | Mar 20 | Nov 12 | 237 d | 8a |
| Hatteras | Mar 4 | Dec 22 | 293 d | 9a |
| Havelock | Mar 19 | Nov 22 | 248 d | 8b |
| Haw River | Apr 4 | Nov 3 | 213 d | 8a |
| Hayesville | Apr 21 | Oct 21 | 183 d | 7b |
| Hays | Apr 10 | Oct 29 | 202 d | 7b |
| Hazelwood | Apr 30 | Oct 14 | 167 d | 7a |
| Henderson | Apr 16 | Oct 26 | 193 d | 7b |
| Hendersonville | Apr 14 | Oct 25 | 194 d | 7b |
| Henrico | Mar 27 | Nov 12 | 230 d | 8a |
| Henrietta | Apr 11 | Oct 27 | 199 d | 8a |
| Hertford | Mar 24 | Nov 14 | 235 d | 8a |
| Hickory | Mar 31 | Nov 4 | 218 d | 8a |
| Hiddenite | Apr 2 | Nov 4 | 216 d | 8a |
| High Point | Mar 30 | Nov 5 | 220 d | 8a |
| High Shoals | Apr 9 | Oct 28 | 202 d | 8a |
| Highfalls | Apr 1 | Nov 5 | 218 d | 8a |
| Highlands | Apr 30 | Oct 15 | 168 d | 7a |
| Hildebran | Mar 31 | Nov 4 | 218 d | 8a |
| Hillsborough | Mar 31 | Nov 4 | 218 d | 8a |
| Hobbsville | Apr 20 | Oct 27 | 190 d | 8a |
| Hobgood | Mar 29 | Nov 7 | 223 d | 8a |
| Hobucken | Mar 8 | Dec 5 | 272 d | 8b |
| Hoffman | Mar 25 | Nov 14 | 234 d | 8a |
| Hollister | Apr 3 | Nov 5 | 216 d | 8a |
| Holly Ridge | Mar 26 | Nov 13 | 232 d | 8b |
| Holly Springs | Apr 6 | Nov 3 | 211 d | 8a |
| Hookerton | Mar 26 | Nov 12 | 231 d | 8b |
| Hope Mills | Mar 22 | Nov 13 | 236 d | 8b |
| Horse Shoe | Apr 17 | Oct 23 | 189 d | 7a |
| Hot Springs | Apr 11 | Oct 29 | 201 d | 7a |
| Hubert | Mar 23 | Nov 16 | 238 d | 8b |
| Hudson | Apr 7 | Oct 31 | 207 d | 8a |
| Huntersville | Mar 30 | Nov 3 | 218 d | 8a |
| Hurdle Mills | Apr 15 | Oct 26 | 194 d | 7b |