Frost dates across Missouri
Typical last spring frost, first fall frost, and USDA zone for 15 Missouri cities, from 30-year NOAA climate normals. Every date is a 50 percent odds line, not a promise. Pick a city for the full frost window and what is plantable there now.
Not on the list? Any Missouri ZIP works.
| City | Last spring frost | First fall frost | Season length | Zone |
|---|---|---|---|---|
| Kansas City | Apr 4 | Nov 2 | about 212 days | 6b |
| Saint Louis | Apr 1 | Nov 4 | about 217 days | 7a |
| Springfield | Apr 4 | Oct 27 | about 206 days | 7a |
| Columbia | Apr 5 | Oct 31 | about 209 days | 6a |
| Independence | Apr 10 | Oct 27 | about 200 days | 6b |
| Joplin | Apr 9 | Oct 27 | about 201 days | 7a |
| Cape Girardeau | Apr 5 | Oct 25 | about 203 days | 7a |
| Sedalia | Apr 18 | Oct 22 | about 187 days | 6b |
| Rolla | Apr 5 | Nov 1 | about 210 days | 6b |
| Farmington | Apr 13 | Oct 21 | about 191 days | 6b |
| Kirksville | Apr 21 | Oct 19 | about 181 days | 6a |
| Hannibal | Apr 10 | Oct 27 | about 200 days | 6a |
| Poplar Bluff | Mar 29 | Nov 5 | about 221 days | 7a |
| West Plains | Apr 16 | Oct 21 | about 188 days | 7a |
| Maryville | Apr 19 | Oct 17 | about 181 days | 5b |
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