Missouri planting zones & frost dates
USDA hardiness zones in Missouri go from 5b to 7b. Pick your city for its average frost dates and a planting calendar, or search by ZIP code.
| City | Zone | Avg. last frost | Avg. first frost |
|---|---|---|---|
| Affton | 7a | Apr 1 | Nov 4 |
| Arnold | 7a | Apr 6 | Oct 27 |
| Ballwin | 7a | Apr 4 | Oct 29 |
| Bellefontaine Neighbors | 7a | Apr 1 | Nov 4 |
| Blue Springs | 6b | Apr 7 | Oct 29 |
| Bolivar | 6b | Apr 14 | Oct 23 |
| Branson | 7a | Apr 6 | Oct 31 |
| Bridgeton | 6b | Apr 2 | Nov 4 |
| Cape Girardeau | 7a | Apr 5 | Oct 25 |
| Carthage | 7a | Apr 4 | Oct 27 |
| Chesterfield | 7a | Apr 4 | Oct 29 |
| Clayton | 7a | Apr 1 | Nov 4 |
| Columbia | 6b | Apr 5 | Oct 31 |
| Concord | 7a | Apr 1 | Nov 4 |
| Crestwood | 7a | Apr 1 | Nov 4 |
| Creve Coeur | 7a | Apr 4 | Oct 29 |
| Dardenne Prairie | 6b | Apr 10 | Oct 26 |
| Eureka | 6b | Apr 12 | Oct 23 |
| Excelsior Springs | 6a | Apr 19 | Oct 17 |
| Farmington | 6b | Apr 13 | Oct 21 |
| Ferguson | 7a | Apr 2 | Nov 4 |
| Festus | 7a | Apr 9 | Oct 26 |
| Florissant | 7a | Apr 2 | Nov 4 |
| Fort Leonard Wood | 6b | Apr 14 | Oct 24 |
| Fulton | 6b | Apr 10 | Oct 24 |
| Gladstone | 6b | Apr 4 | Nov 2 |
| Grain Valley | 6b | Apr 7 | Oct 29 |
| Grandview | 6b | Apr 7 | Oct 29 |
| Hannibal | 6a | Apr 10 | Oct 27 |
| Hazelwood | 7a | Apr 2 | Nov 4 |
| Independence | 6b | Apr 10 | Oct 27 |
| Jackson | 7a | Apr 7 | Oct 29 |
| Jefferson City | 6b | Apr 8 | Oct 31 |
| Jennings | 7a | Apr 1 | Nov 4 |
| Joplin | 7a | Apr 9 | Oct 27 |
| Kansas City | 6b | Apr 4 | Nov 2 |
| Kennett | 7b | Mar 31 | Nov 1 |
| Kirksville | 6a | Apr 21 | Oct 19 |
| Kirkwood | 7a | Apr 1 | Nov 4 |
| Lake Saint Louis | 6b | Apr 10 | Oct 26 |
| Lebanon | 6b | Apr 17 | Oct 21 |
| Lee's Summit | 6b | Apr 13 | Oct 26 |
| Lemay | 7a | Apr 6 | Oct 27 |
| Liberty | 6a | Apr 19 | Oct 17 |
| Manchester | 7a | Apr 4 | Oct 29 |
| Marshall | 6b | Apr 10 | Oct 24 |
| Maryland Heights | 7a | Apr 2 | Nov 4 |
| Maryville | 5b | Apr 19 | Oct 17 |
| Mehlville | 7a | Apr 6 | Oct 27 |
| Mexico | 6b | Apr 11 | Oct 25 |
| Moberly | 6b | Apr 13 | Oct 25 |
| Neosho | 7a | Apr 7 | Oct 31 |
| Nixa | 6b | Apr 15 | Oct 23 |
| O'Fallon | 6b | Apr 9 | Oct 26 |
| Oakville | 7a | Apr 6 | Oct 27 |
| Old Jamestown | 7a | Apr 2 | Nov 4 |
| Overland | 7a | Apr 2 | Nov 4 |
| Ozark | 6b | Apr 15 | Oct 23 |
| Poplar Bluff | 7b | Mar 29 | Nov 5 |
| Raymore | 6b | Apr 13 | Oct 26 |
| Raytown | 6b | Apr 10 | Oct 27 |
| Republic | 6b | Apr 15 | Oct 23 |
| Rolla | 6b | Apr 5 | Nov 1 |
| Saint Ann | 7a | Apr 2 | Nov 4 |
| Saint Charles | 7a | Apr 8 | Oct 29 |
| Saint Joseph | 6a | Apr 19 | Oct 17 |
| Saint Peters | 6b | Apr 9 | Oct 26 |
| Sedalia | 6b | Apr 18 | Oct 22 |
| Sikeston | 7b | Mar 26 | Nov 6 |
| Spanish Lake | 7a | Apr 4 | Nov 5 |
| Springfield | 7a | Apr 4 | Oct 27 |
| St. Louis | 7a | Apr 1 | Nov 4 |
| Town and Country | 7a | Apr 4 | Oct 29 |
| Troy | 6b | Apr 14 | Oct 23 |
| Union | 6b | Apr 11 | Oct 23 |
| University City | 7a | Apr 1 | Nov 4 |
| Warrensburg | 6b | Apr 14 | Oct 21 |
| Washington | 6b | Apr 8 | Oct 25 |
| Webb City | 7a | Apr 9 | Oct 27 |
| Webster Groves | 7a | Apr 1 | Nov 4 |
| Wentzville | 6b | Apr 10 | Oct 26 |
| West Plains | 7a | Apr 16 | Oct 21 |
| Wildwood | 7a | Apr 12 | Oct 23 |
Cities with 10,000+ residents. Data: USDA Plant Hardiness Zone Map 2023 and NOAA Climate Normals 1991–2020. Sources and method.