Missouri frost dates: F
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Fagus | Mar 29 | Nov 3 | 219 d | 7b |
| Fair Grove | Apr 13 | Oct 24 | 194 d | 6b |
| Fair Play | Apr 6 | Oct 30 | 207 d | 6b |
| Fairdealing | Apr 12 | Oct 26 | 197 d | 7a |
| Fairfax | Apr 19 | Oct 15 | 179 d | 5b |
| Fairview | Apr 9 | Oct 26 | 200 d | 7a |
| Falcon | Apr 15 | Oct 21 | 189 d | 6b |
| Farber | Apr 11 | Oct 23 | 195 d | 6b |
| Farley | Apr 13 | Oct 24 | 194 d | 6b |
| Farmington | Apr 13 | Oct 21 | 191 d | 6b |
| Farrar | Apr 19 | Oct 20 | 184 d | 7a |
| Faucett | Apr 19 | Oct 17 | 181 d | 6a |
| Fayette | Apr 13 | Oct 22 | 192 d | 6b |
| Fenton | Apr 4 | Oct 29 | 208 d | 6b |
| Festus | Apr 9 | Oct 26 | 200 d | 6b |
| Fillmore | Apr 16 | Oct 20 | 187 d | 6a |
| Fisk | Mar 31 | Oct 31 | 214 d | 7b |
| Flemington | Apr 7 | Oct 28 | 204 d | 6b |
| Fletcher | Apr 9 | Oct 26 | 200 d | 6b |
| Flinthill | Apr 9 | Oct 26 | 200 d | 6b |
| Florence | Apr 10 | Oct 26 | 199 d | 6b |
| Florissant | Apr 2 | Nov 4 | 216 d | 7a |
| Foley | Apr 20 | Oct 20 | 183 d | 6b |
| Fordland | Apr 23 | Oct 17 | 177 d | 6b |
| Forest City | Apr 16 | Oct 20 | 187 d | 6a |
| Foristell | Apr 14 | Oct 23 | 192 d | 6b |
| Forsyth | Apr 6 | Oct 31 | 208 d | 7a |
| Fort Leonard Wood | Apr 14 | Oct 24 | 193 d | 6b |
| Fortuna | Apr 8 | Oct 29 | 204 d | 6b |
| Foster | Apr 12 | Oct 23 | 194 d | 6b |
| Frankford | Apr 4 | Nov 4 | 214 d | 6a |
| Franklin | Apr 13 | Oct 22 | 192 d | 6b |
| Fredericktown | Apr 21 | Oct 16 | 178 d | 6b |
| Freeburg | Apr 8 | Oct 26 | 201 d | 6b |
| Freeman | Apr 8 | Oct 29 | 204 d | 6b |
| Freistatt | Apr 14 | Oct 21 | 190 d | 7a |
| Fremont | Apr 22 | Oct 18 | 179 d | 6b |
| French Village | Apr 13 | Oct 21 | 191 d | 6b |
| Friedheim | Apr 19 | Oct 20 | 184 d | 7a |
| Frohna | Apr 19 | Oct 20 | 184 d | 7a |
| Fulton | Apr 10 | Oct 24 | 197 d | 6b |