When to plant Winter squash in Missouri

In fall, from June 1 – July 1 in Bolivar to June 20 – July 20 in Sikeston.

USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.

Winter squash planting dates by place in Missouri
PlaceSpringFall
Arnold—June 10 – July 10
Ballwin—June 10 – July 10
Bellefontaine Neighbors—June 10 – July 10
Belton—June 10 – July 10
Blue Springs—June 10 – July 10
Bolivar—June 1 – July 1
Branson—June 10 – July 10
Bridgeton—June 10 – July 10
Cape Girardeau—June 1 – July 1
Carthage—June 10 – July 10
Chesterfield—June 10 – July 10
Clayton—June 10 – July 10
Columbia—June 10 – July 10
Crestwood—June 10 – July 10
Creve Coeur—June 10 – July 10
Dardenne Prairie—June 10 – July 10
Ellisville—June 1 – July 1
Eureka—June 1 – July 1
Excelsior Springs—June 1 – July 1
Farmington—June 1 – July 1
Ferguson—June 10 – July 10
Festus—June 10 – July 10
Florissant—June 10 – July 10
Fulton—June 1 – July 1
Gladstone—June 10 – July 10
Grain Valley—June 10 – July 10
Grandview—June 10 – July 10
Hannibal—June 10 – July 10
Hazelwood—June 10 – July 10
Independence—June 10 – July 10
Jackson—June 10 – July 10
Jefferson City—June 10 – July 10
Jennings—June 10 – July 10
Joplin—June 10 – July 10
Kansas City—June 10 – July 10
Kearney—June 1 – July 1
Kennett—June 10 – July 10
Kirksville—June 1 – July 1
Kirkwood—June 10 – July 10
Lake St. Louis—June 10 – July 10
Lebanon—June 1 – July 1
Lee's Summit—June 10 – July 10
Liberty—June 1 – July 1
Manchester—June 10 – July 10
Marshall—June 1 – July 1
Maryland Heights—June 10 – July 10
Maryville—June 1 – July 1
Mexico—June 1 – July 1
Moberly—June 1 – July 1
Monett—June 10 – July 10
Neosho—June 10 – July 10
Nixa—June 1 – July 1
O'Fallon—June 10 – July 10
Overland—June 10 – July 10
Ozark—June 1 – July 1
Poplar Bluff—June 20 – July 20
Raymore—June 10 – July 10
Raytown—June 10 – July 10
Republic—June 10 – July 10
Rolla—June 10 – July 10
Sedalia—June 1 – July 1
Sikeston—June 20 – July 20
Smithville—June 1 – July 1
Springfield—June 10 – July 10
St. Ann—June 10 – July 10
St. Charles—June 10 – July 10
St. Joseph—June 1 – July 1
St. Louis—June 10 – July 10
St. Peters—June 10 – July 10
Town and Country—June 10 – July 10
Troy—June 1 – July 1
Union—June 1 – July 1
University City—June 10 – July 10
Warrensburg—June 1 – July 1
Washington—June 1 – July 1
Webb City—June 10 – July 10
Webster Groves—June 10 – July 10
Wentzville—June 10 – July 10
West Plains—June 1 – July 1
Wildwood—June 1 – July 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 winter squash.