When to plant Leeks in Missouri
In spring, from Feb 15 – Mar 15 in Ballwin to Mar 15 – Apr 15 in West Plains.
In fall: USDA's 1967 table lists leeks as generally spring-planted in every place here. Newer advice from your state's extension service may differ.
USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring |
|---|---|
| Arnold | Mar 1 – Apr 1 |
| Ballwin | Feb 15 – Mar 15 |
| Bellefontaine Neighbors | Feb 15 – Mar 15 |
| Belton | Mar 1 – Apr 1 |
| Blue Springs | Mar 1 – Apr 1 |
| Bolivar | Mar 1 – Apr 1 |
| Branson | Mar 1 – Apr 1 |
| Bridgeton | Feb 15 – Mar 15 |
| Cape Girardeau | Mar 1 – Apr 1 |
| Carthage | Feb 15 – Mar 15 |
| Chesterfield | Feb 15 – Mar 15 |
| Clayton | Feb 15 – Mar 15 |
| Columbia | Mar 1 – Apr 1 |
| Crestwood | Feb 15 – Mar 15 |
| Creve Coeur | Feb 15 – Mar 15 |
| Dardenne Prairie | Mar 1 – Apr 1 |
| Ellisville | Mar 1 – Apr 1 |
| Eureka | Mar 1 – Apr 1 |
| Excelsior Springs | Mar 15 – Apr 15 |
| Farmington | Mar 1 – Apr 1 |
| Ferguson | Feb 15 – Mar 15 |
| Festus | Mar 1 – Apr 1 |
| Florissant | Feb 15 – Mar 15 |
| Fulton | Mar 1 – Apr 1 |
| Gladstone | Feb 15 – Mar 15 |
| Grain Valley | Mar 1 – Apr 1 |
| Grandview | Mar 1 – Apr 1 |
| Hannibal | Mar 1 – Apr 1 |
| Hazelwood | Feb 15 – Mar 15 |
| Independence | Mar 1 – Apr 1 |
| Jackson | Mar 1 – Apr 1 |
| Jefferson City | Mar 1 – Apr 1 |
| Jennings | Feb 15 – Mar 15 |
| Joplin | Mar 1 – Apr 1 |
| Kansas City | Feb 15 – Mar 15 |
| Kearney | Mar 15 – Apr 15 |
| Kennett | Feb 15 – Mar 15 |
| Kirksville | Mar 15 – Apr 15 |
| Kirkwood | Feb 15 – Mar 15 |
| Lake St. Louis | Mar 1 – Apr 1 |
| Lebanon | Mar 15 – Apr 15 |
| Lee's Summit | Mar 1 – Apr 1 |
| Liberty | Mar 15 – Apr 15 |
| Manchester | Feb 15 – Mar 15 |
| Marshall | Mar 1 – Apr 1 |
| Maryland Heights | Feb 15 – Mar 15 |
| Maryville | Mar 15 – Apr 15 |
| Mexico | Mar 1 – Apr 1 |
| Moberly | Mar 1 – Apr 1 |
| Monett | Mar 1 – Apr 1 |
| Neosho | Mar 1 – Apr 1 |
| Nixa | Mar 1 – Apr 1 |
| O'Fallon | Mar 1 – Apr 1 |
| Overland | Feb 15 – Mar 15 |
| Ozark | Mar 1 – Apr 1 |
| Poplar Bluff | Feb 15 – Mar 15 |
| Raymore | Mar 1 – Apr 1 |
| Raytown | Mar 1 – Apr 1 |
| Republic | Mar 1 – Apr 1 |
| Rolla | Mar 1 – Apr 1 |
| Sedalia | Mar 15 – Apr 15 |
| Sikeston | Feb 15 – Mar 15 |
| Smithville | Mar 15 – Apr 15 |
| Springfield | Feb 15 – Mar 15 |
| St. Ann | Feb 15 – Mar 15 |
| St. Charles | Mar 1 – Apr 1 |
| St. Joseph | Mar 15 – Apr 15 |
| St. Louis | Feb 15 – Mar 15 |
| St. Peters | Mar 1 – Apr 1 |
| Town and Country | Feb 15 – Mar 15 |
| Troy | Mar 1 – Apr 1 |
| Union | Mar 1 – Apr 1 |
| University City | Feb 15 – Mar 15 |
| Warrensburg | Mar 1 – Apr 1 |
| Washington | Mar 1 – Apr 1 |
| Webb City | Mar 1 – Apr 1 |
| Webster Groves | Feb 15 – Mar 15 |
| Wentzville | Mar 1 – Apr 1 |
| West Plains | Mar 15 – Apr 15 |
| Wildwood | Mar 1 – Apr 1 |
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for leeks.