Georgia frost dates: M
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Mableton | Mar 27 | Nov 7 | 225 d | 8a |
| Macon | Mar 21 | Nov 10 | 234 d | 8b |
| Madison | Mar 24 | Nov 12 | 233 d | 8a |
| Manassas | Mar 9 | Nov 24 | 260 d | 9a |
| Manchester | Apr 1 | Nov 3 | 216 d | 8a |
| Manor | Mar 11 | Nov 17 | 251 d | 9a |
| Mansfield | Apr 4 | Nov 1 | 211 d | 8a |
| Marble Hill | Mar 31 | Nov 5 | 219 d | 8a |
| Marietta | Mar 27 | Nov 7 | 225 d | 8a |
| Marshallville | Mar 11 | Nov 19 | 253 d | 8b |
| Martin | Mar 23 | Nov 11 | 233 d | 8b |
| Matthews | Mar 14 | Nov 17 | 248 d | 8b |
| Mauk | Apr 1 | Nov 3 | 216 d | 8b |
| Maxeys | Mar 31 | Nov 6 | 220 d | 8b |
| Maysville | Mar 31 | Nov 6 | 220 d | 8a |
| Mc Caysville | Apr 2 | Nov 1 | 213 d | 7b |
| Mc Intyre | Mar 12 | Nov 19 | 252 d | 8b |
| Mc Rae Helena | Mar 5 | Nov 24 | 264 d | 8b |
| Mcdonough | Mar 31 | Nov 6 | 220 d | 8a |
| Meansville | Mar 18 | Nov 14 | 241 d | 8b |
| Meigs | Mar 10 | Nov 18 | 253 d | 9a |
| Meldrim | Mar 2 | Nov 30 | 273 d | 9a |
| Menlo | Apr 8 | Oct 29 | 204 d | 7b |
| Meridian | Feb 20 | Dec 19 | 302 d | 9a |
| Mershon | Mar 17 | Nov 16 | 244 d | 9a |
| Mesena | Mar 29 | Nov 7 | 223 d | 8b |
| Metter | Mar 2 | Nov 27 | 270 d | 8b |
| Midland | Mar 21 | Nov 11 | 235 d | 8b |
| Midville | Mar 18 | Nov 11 | 238 d | 8b |
| Midway | Mar 5 | Nov 29 | 269 d | 9a |
| Milan | Mar 5 | Nov 24 | 264 d | 8b |
| Milledgeville | Mar 25 | Nov 9 | 229 d | 8b |
| Millen | Mar 14 | Nov 15 | 246 d | 8b |
| Millwood | Mar 11 | Nov 17 | 251 d | 9a |
| Milner | Mar 20 | Nov 13 | 238 d | 8b |
| Mineral Bluff | Apr 26 | Oct 19 | 176 d | 7b |
| Mitchell | Mar 29 | Nov 7 | 223 d | 8b |
| Molena | Mar 18 | Nov 14 | 241 d | 8b |
| Monroe | Apr 3 | Nov 7 | 218 d | 8a |
| Montezuma | Mar 20 | Nov 14 | 239 d | 8b |
| Monticello | Apr 4 | Nov 1 | 211 d | 8b |
| Montrose | Mar 14 | Nov 13 | 244 d | 8b |
| Moody Afb | Mar 5 | Nov 27 | 267 d | 9a |
| Moreland | Apr 3 | Nov 2 | 213 d | 8a |
| Morgan | Mar 11 | Nov 13 | 247 d | 8b |
| Morganton | Apr 26 | Oct 19 | 176 d | 7b |
| Morris | Mar 15 | Nov 18 | 248 d | 8b |
| Morrow | Mar 25 | Nov 12 | 232 d | 8b |
| Morven | Mar 11 | Nov 18 | 252 d | 9a |
| Moultrie | Mar 6 | Nov 27 | 266 d | 9a |
| Mount Airy | Mar 30 | Nov 6 | 221 d | 8a |
| Mount Berry | Apr 1 | Nov 3 | 216 d | 8a |
| Mount Vernon | Mar 12 | Nov 17 | 250 d | 8b |
| Mount Zion | Mar 28 | Nov 5 | 222 d | 8a |
| Mountain City | Apr 18 | Oct 25 | 190 d | 7b |
| Murrayville | Mar 27 | Nov 12 | 230 d | 8a |
| Musella | Mar 23 | Nov 12 | 234 d | 8b |
| Mystic | Mar 2 | Nov 25 | 268 d | 9a |