Arkansas frost dates: M
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Mabelvale | Mar 21 | Nov 10 | 234 d | 8a |
| Madison | Mar 23 | Nov 7 | 229 d | 8a |
| Magazine | Apr 4 | Nov 1 | 211 d | 8a |
| Magness | Mar 30 | Nov 5 | 220 d | 8a |
| Magnolia | Mar 31 | Nov 2 | 216 d | 8b |
| Malvern | Mar 31 | Nov 5 | 219 d | 8a |
| Mammoth Spring | Apr 12 | Oct 24 | 195 d | 7a |
| Manila | Mar 23 | Nov 6 | 228 d | 8a |
| Mansfield | Apr 8 | Oct 28 | 203 d | 7b |
| Marble Falls | Mar 22 | Nov 9 | 232 d | 7b |
| Marcella | Apr 8 | Oct 26 | 201 d | 7b |
| Marianna | Mar 18 | Nov 11 | 238 d | 8a |
| Marion | Mar 16 | Nov 11 | 240 d | 8a |
| Marked Tree | Mar 28 | Nov 7 | 224 d | 8a |
| Marmaduke | Mar 26 | Nov 6 | 225 d | 7b |
| Marshall | Apr 11 | Oct 26 | 198 d | 7b |
| Marvell | Mar 17 | Nov 10 | 238 d | 8a |
| Maumelle | Apr 1 | Nov 1 | 214 d | 8a |
| Mayflower | Apr 1 | Nov 1 | 214 d | 8a |
| Maynard | Apr 12 | Oct 26 | 197 d | 7b |
| Maysville | Apr 5 | Oct 28 | 206 d | 7a |
| Mc Caskill | Apr 5 | Nov 1 | 210 d | 8a |
| Mc Crory | Mar 23 | Nov 5 | 227 d | 8a |
| Mc Dougal | Mar 27 | Nov 4 | 222 d | 7b |
| Mc Gehee | Mar 13 | Nov 10 | 242 d | 8b |
| Mc Neil | Mar 31 | Nov 2 | 216 d | 8b |
| Mc Rae | Mar 27 | Nov 8 | 226 d | 8a |
| Melbourne | Apr 14 | Oct 28 | 197 d | 7b |
| Mellwood | Mar 17 | Nov 10 | 238 d | 8b |
| Mena | Apr 5 | Nov 1 | 210 d | 8a |
| Menifee | Apr 2 | Nov 2 | 214 d | 8a |
| Midland | Mar 25 | Nov 6 | 226 d | 7b |
| Midway | Apr 2 | Nov 1 | 213 d | 7b |
| Mineral Springs | Mar 26 | Nov 9 | 228 d | 8a |
| Minturn | Mar 27 | Nov 5 | 223 d | 8a |
| Monette | Mar 26 | Nov 6 | 225 d | 8a |
| Monroe | Mar 15 | Nov 11 | 241 d | 8a |
| Monticello | Mar 18 | Nov 12 | 239 d | 8b |
| Montrose | Mar 14 | Nov 10 | 241 d | 8b |
| Moro | Mar 18 | Nov 11 | 238 d | 8a |
| Morrilton | Mar 30 | Nov 2 | 217 d | 8a |
| Morrow | Mar 31 | Nov 4 | 218 d | 7b |
| Moscow | Mar 13 | Nov 13 | 245 d | 8b |
| Mount Holly | Mar 24 | Nov 7 | 228 d | 8b |
| Mount Ida | Apr 2 | Oct 31 | 212 d | 8a |
| Mount Judea | Apr 7 | Nov 4 | 211 d | 7b |
| Mount Pleasant | Apr 8 | Oct 26 | 201 d | 7b |
| Mount Vernon | Apr 9 | Oct 25 | 199 d | 8a |
| Mountain Home | Mar 31 | Nov 1 | 215 d | 7a |
| Mountain Pine | Apr 3 | Nov 4 | 215 d | 8a |
| Mountain View | Apr 2 | Oct 31 | 212 d | 7b |
| Mountainburg | Apr 9 | Oct 28 | 202 d | 7b |
| Mulberry | Mar 30 | Nov 6 | 221 d | 8a |
| Murfreesboro | Apr 5 | Nov 1 | 210 d | 8a |