Missouri frost dates: P
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Pacific | Apr 12 | Oct 23 | 194 d | 6b |
| Palmyra | Apr 8 | Oct 30 | 205 d | 6a |
| Paris | Apr 21 | Oct 17 | 179 d | 6a |
| Park Hills | Apr 13 | Oct 21 | 191 d | 6b |
| Parma | Mar 29 | Nov 3 | 219 d | 7b |
| Parnell | Apr 20 | Oct 19 | 182 d | 5b |
| Patterson | Apr 9 | Oct 26 | 200 d | 7a |
| Patton | Apr 12 | Oct 23 | 194 d | 6b |
| Pattonsburg | Apr 19 | Oct 21 | 185 d | 6a |
| Peace Valley | Apr 16 | Oct 21 | 188 d | 7a |
| Peculiar | Apr 8 | Oct 29 | 204 d | 6b |
| Perkins | Apr 7 | Oct 27 | 203 d | 7a |
| Perry | Apr 11 | Oct 23 | 195 d | 6a |
| Perryville | Apr 19 | Oct 20 | 184 d | 6b |
| Pevely | Apr 9 | Oct 26 | 200 d | 7a |
| Philadelphia | Apr 17 | Oct 19 | 185 d | 6a |
| Phillipsburg | Apr 17 | Oct 21 | 187 d | 6b |
| Pickering | Apr 19 | Oct 17 | 181 d | 5b |
| Piedmont | Apr 9 | Oct 26 | 200 d | 7a |
| Pierce City | Apr 9 | Oct 26 | 200 d | 7a |
| Pilot Grove | Apr 5 | Oct 29 | 207 d | 6b |
| Pilot Knob | Apr 13 | Oct 21 | 191 d | 6b |
| Pineville | Apr 15 | Oct 23 | 191 d | 7a |
| Pittsburg | Apr 7 | Oct 28 | 204 d | 6b |
| Plato | Apr 20 | Oct 19 | 182 d | 6b |
| Platte City | Apr 13 | Oct 24 | 194 d | 6b |
| Plattsburg | Apr 18 | Oct 20 | 185 d | 6a |
| Pleasant Hill | Apr 8 | Oct 29 | 204 d | 6b |
| Pleasant Hope | Apr 14 | Oct 23 | 192 d | 6b |
| Plevna | Apr 17 | Oct 19 | 185 d | 6a |
| Pocahontas | Apr 7 | Oct 29 | 205 d | 7a |
| Point Lookout | Apr 8 | Nov 2 | 208 d | 7a |
| Polk | Apr 14 | Oct 23 | 192 d | 6b |
| Pollock | Apr 26 | Oct 14 | 171 d | 5b |
| Polo | Apr 23 | Oct 17 | 177 d | 6a |
| Pomona | Apr 8 | Oct 25 | 200 d | 7a |
| Ponce De Leon | Apr 16 | Oct 21 | 188 d | 7a |
| Pontiac | Apr 2 | Nov 1 | 213 d | 7a |
| Poplar Bluff | Mar 29 | Nov 5 | 221 d | 7a |
| Portage Des Sioux | Apr 5 | Oct 27 | 205 d | 6b |
| Portageville | Mar 25 | Nov 7 | 227 d | 7b |
| Portland | Apr 10 | Oct 24 | 197 d | 6b |
| Potosi | Apr 11 | Oct 28 | 200 d | 6b |
| Pottersville | Apr 9 | Oct 23 | 197 d | 7a |
| Powell | Apr 4 | Oct 30 | 209 d | 7a |
| Powersite | Apr 6 | Oct 31 | 208 d | 7a |
| Powersville | Apr 21 | Oct 19 | 181 d | 5b |
| Prairie Home | Apr 12 | Oct 25 | 196 d | 6b |
| Preston | Apr 7 | Oct 28 | 204 d | 6b |
| Princeton | Apr 25 | Oct 15 | 173 d | 5b |
| Protem | Apr 15 | Oct 22 | 190 d | 7a |
| Purcell | Apr 9 | Oct 27 | 201 d | 7a |
| Purdin | Apr 15 | Oct 20 | 188 d | 6a |
| Purdy | Apr 9 | Oct 26 | 200 d | 7a |
| Puxico | Apr 2 | Nov 2 | 214 d | 7a |