Arkansas frost dates: J
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Jacksonport | Mar 18 | Nov 11 | 238 d | 8a |
| Jacksonville | Mar 16 | Nov 16 | 245 d | 8a |
| Jasper | Apr 7 | Nov 4 | 211 d | 7b |
| Jefferson | Apr 1 | Nov 3 | 216 d | 8a |
| Jersey | Mar 18 | Nov 7 | 234 d | 8b |
| Jerusalem | Apr 4 | Nov 2 | 212 d | 7b |
| Jessieville | Mar 28 | Nov 8 | 225 d | 7b |
| Johnson | Apr 4 | Oct 31 | 210 d | 7a |
| Joiner | Mar 23 | Nov 6 | 228 d | 8a |
| Jones Mill | Mar 31 | Nov 5 | 219 d | 8a |
| Jonesboro | Mar 23 | Nov 9 | 231 d | 8a |
| Judsonia | Mar 27 | Nov 8 | 226 d | 8a |
| Junction City | Mar 24 | Nov 7 | 228 d | 8b |