Arkansas frost dates: H
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Hackett | Mar 25 | Nov 6 | 226 d | 7b |
| Hagarville | Mar 25 | Nov 10 | 230 d | 7b |
| Hamburg | Mar 18 | Nov 11 | 238 d | 8b |
| Hampton | Mar 18 | Nov 7 | 234 d | 8a |
| Hardy | Apr 4 | Oct 31 | 210 d | 7b |
| Harrell | Mar 18 | Nov 7 | 234 d | 8a |
| Harriet | Apr 11 | Oct 26 | 198 d | 7b |
| Harrisburg | Mar 28 | Nov 7 | 224 d | 8a |
| Harrison | Mar 22 | Nov 9 | 232 d | 7b |
| Hartford | Apr 8 | Oct 28 | 203 d | 7b |
| Hartman | Mar 24 | Nov 10 | 231 d | 8a |
| Harvey | Apr 4 | Nov 1 | 211 d | 8a |
| Hasty | Mar 22 | Nov 9 | 232 d | 7b |
| Hatfield | Apr 5 | Nov 1 | 210 d | 7b |
| Hattieville | Mar 30 | Nov 2 | 217 d | 8a |
| Havana | Mar 31 | Nov 1 | 215 d | 8a |
| Haynes | Mar 18 | Nov 11 | 238 d | 8a |
| Hazen | Mar 11 | Nov 14 | 248 d | 8a |
| Heber Springs | Mar 31 | Nov 6 | 220 d | 7b |
| Hector | Apr 4 | Nov 2 | 212 d | 7b |
| Helena | Mar 15 | Nov 16 | 246 d | 8a |
| Henderson | Mar 31 | Nov 1 | 215 d | 7a |
| Hensley | Mar 21 | Nov 10 | 234 d | 8a |
| Hermitage | Mar 20 | Nov 11 | 236 d | 8b |
| Heth | Mar 16 | Nov 11 | 240 d | 8a |
| Hickory Plains | Mar 11 | Nov 14 | 248 d | 8a |
| Hickory Ridge | Mar 23 | Nov 5 | 227 d | 8a |
| Higden | Mar 31 | Nov 6 | 220 d | 7b |
| Higginson | Mar 27 | Nov 8 | 226 d | 8a |
| Hindsville | Mar 30 | Nov 7 | 222 d | 7a |
| Hiwasse | Apr 5 | Oct 28 | 206 d | 7a |
| Holly Grove | Mar 15 | Nov 11 | 241 d | 8b |
| Hope | Mar 26 | Nov 6 | 225 d | 8a |
| Horatio | Mar 29 | Nov 5 | 221 d | 8a |
| Horseshoe Bend | Apr 8 | Oct 30 | 205 d | 7a |
| Hot Springs National Park | Mar 19 | Nov 13 | 239 d | 8a |
| Hot Springs Village | Mar 19 | Nov 13 | 239 d | 8a |
| Houston | Mar 30 | Nov 2 | 217 d | 8a |
| Hoxie | Mar 27 | Nov 5 | 223 d | 8a |
| Hughes | Mar 14 | Nov 15 | 246 d | 8a |
| Humnoke | Mar 21 | Nov 9 | 233 d | 8b |
| Humphrey | Mar 11 | Nov 17 | 251 d | 8b |
| Hunter | Mar 18 | Nov 11 | 238 d | 8a |
| Huntington | Mar 25 | Nov 6 | 226 d | 7b |
| Huntsville | Mar 30 | Nov 7 | 222 d | 7a |
| Huttig | Mar 25 | Nov 5 | 225 d | 8b |