Missouri Frost Dates
Missouri sits at a climatic crossroads, so gardeners deal with both long warm stretches and abrupt cold reversals. Southern lowlands generally get a head start, while northern counties, uplands, and sheltered hollows can hold onto spring frost and cool off earlier in autumn.
Look up your exact frost dates
Frost timing shifts across Missouri with elevation and distance from water. Enter your ZIP code for dates from your nearest weather station.
Missouri locations
| ZIP | Area | Hardiness zone |
|---|---|---|
| 63005 | Wildwood | 6b |
| 63110 | St. Louis | 7a |
| 63304 | Weldon Spring Heights | 6b |
| 63382 | Vandalia | 6b |
| 63730 | Advance | 7a |
| 64089 | Smithville | 6a |
| 64402 | Albany | 6a |
| 64424 | Bethany | 6a |
| 64433 | Conception | 6a |
| 64436 | Cosby | 6a |
| 64633 | Carrollton | 6a |
| 64683 | Trenton | 6a |
| 65018 | California | 6b |
| 65084 | Versailles | 6b |
| 65215 | Columbia | - |
| 65409 | Rolla | 6b |
| 65486 | Iberia | 6b |
| 65604 | Ash Grove | 6b |
| 65656 | Galena | 7a |
| 65806 | Springfield | 6b |
| 63010 | Arnold | 7a |
| 63011 | Ballwin | 7a |
| 63012 | Barnhart | 6b |
| 63013 | Leslie | 6b |
| 63014 | Berger | 6b |
| 63015 | LaBarque Creek | 6b |
| 63016 | Cedar Hill | 6b |
| 63017 | Chesterfield | 7a |
| 63019 | Crystal City | 7a |
| 63020 | Summer Set | 6b |
| 63021 | Ballwin | 7a |
| 63023 | Raintree Plantation | 6b |
| 63025 | Eureka | 6b |
| 63026 | Fenton | 7a |
| 63028 | Festus | 6b |
| 63030 | Briarwood Estates | 6b |
| 63031 | Florissant | 7a |
| 63033 | Black Jack | 7a |
| 63034 | Old Jamestown | 7a |
| 63036 | Goose Creek Lake | 6b |
| 63037 | Gerald | 6b |
| 63038 | Wildwood | 7a |
| 63039 | Gray Summit | 6b |
| 63040 | Wildwood | 7a |
| 63041 | Cedar Hill Lakes | 6b |
| 63042 | Hazelwood | 7a |
| 63043 | Maryland Heights | 7a |
| 63044 | Bridgeton | 6b |
| 63045 | Bridgeton | 6b |
| 63047 | De Soto | 7a |
| 63048 | Herculaneum | 7a |
| 63049 | Parkdale | 7a |
| 63050 | Hillsboro | 6b |
| 63051 | Scotsdale | 6b |
| 63052 | Arnold | 7a |
| 63053 | Kimmswick | 7a |
| 63055 | Gray Summit | 6b |
| 63056 | Leslie | 6b |
| 63060 | Parkway | 6b |
| 63061 | Cedar Hill Lakes | 6b |
Source: NOAA 1991–2020 U.S. Climate Normals (public domain) and USDA 2023 Plant Hardiness Zone Map. Page updated Aug 4, 2026.