When to plant Sweet potatoes in Missouri

In spring, from Apr 20 – June 1 in Ballwin to May 10 – June 10 in West Plains.

In fall, June 1 – 15.

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

Sweet potatoes planting dates by place in Missouri
PlaceSpringFall
ArnoldMay 1 – June 1June 1 – 15
BallwinApr 20 – June 1June 1 – 15
Bellefontaine NeighborsApr 20 – June 1June 1 – 15
BeltonMay 1 – June 1June 1 – 15
Blue SpringsMay 1 – June 1June 1 – 15
BolivarMay 1 – June 1June 1 – 15
BransonMay 1 – June 1June 1 – 15
BridgetonApr 20 – June 1June 1 – 15
Cape GirardeauMay 1 – June 1June 1 – 15
CarthageApr 20 – June 1June 1 – 15
ChesterfieldApr 20 – June 1June 1 – 15
ClaytonApr 20 – June 1June 1 – 15
ColumbiaMay 1 – June 1June 1 – 15
CrestwoodApr 20 – June 1June 1 – 15
Creve CoeurApr 20 – June 1June 1 – 15
Dardenne PrairieMay 1 – June 1June 1 – 15
EllisvilleMay 1 – June 1June 1 – 15
EurekaMay 1 – June 1June 1 – 15
Excelsior SpringsMay 10 – June 10June 1 – 15
FarmingtonMay 1 – June 1June 1 – 15
FergusonApr 20 – June 1June 1 – 15
FestusMay 1 – June 1June 1 – 15
FlorissantApr 20 – June 1June 1 – 15
FultonMay 1 – June 1June 1 – 15
GladstoneApr 20 – June 1June 1 – 15
Grain ValleyMay 1 – June 1June 1 – 15
GrandviewMay 1 – June 1June 1 – 15
HannibalMay 1 – June 1June 1 – 15
HazelwoodApr 20 – June 1June 1 – 15
IndependenceMay 1 – June 1June 1 – 15
JacksonMay 1 – June 1June 1 – 15
Jefferson CityMay 1 – June 1June 1 – 15
JenningsApr 20 – June 1June 1 – 15
JoplinMay 1 – June 1June 1 – 15
Kansas CityApr 20 – June 1June 1 – 15
KearneyMay 10 – June 10June 1 – 15
KennettApr 20 – June 1June 1 – 15
KirksvilleMay 10 – June 10June 1 – 15
KirkwoodApr 20 – June 1June 1 – 15
Lake St. LouisMay 1 – June 1June 1 – 15
LebanonMay 10 – June 10June 1 – 15
Lee's SummitMay 1 – June 1June 1 – 15
LibertyMay 10 – June 10June 1 – 15
ManchesterApr 20 – June 1June 1 – 15
MarshallMay 1 – June 1June 1 – 15
Maryland HeightsApr 20 – June 1June 1 – 15
MaryvilleMay 10 – June 10June 1 – 15
MexicoMay 1 – June 1June 1 – 15
MoberlyMay 1 – June 1June 1 – 15
MonettMay 1 – June 1June 1 – 15
NeoshoMay 1 – June 1June 1 – 15
NixaMay 1 – June 1June 1 – 15
O'FallonMay 1 – June 1June 1 – 15
OverlandApr 20 – June 1June 1 – 15
OzarkMay 1 – June 1June 1 – 15
Poplar BluffApr 20 – June 1June 1 – July 1
RaymoreMay 1 – June 1June 1 – 15
RaytownMay 1 – June 1June 1 – 15
RepublicMay 1 – June 1June 1 – 15
RollaMay 1 – June 1June 1 – 15
SedaliaMay 10 – June 10June 1 – 15
SikestonApr 20 – June 1June 1 – July 1
SmithvilleMay 10 – June 10June 1 – 15
SpringfieldApr 20 – June 1June 1 – 15
St. AnnApr 20 – June 1June 1 – 15
St. CharlesMay 1 – June 1June 1 – 15
St. JosephMay 10 – June 10June 1 – 15
St. LouisApr 20 – June 1June 1 – 15
St. PetersMay 1 – June 1June 1 – 15
Town and CountryApr 20 – June 1June 1 – 15
TroyMay 1 – June 1June 1 – 15
UnionMay 1 – June 1June 1 – 15
University CityApr 20 – June 1June 1 – 15
WarrensburgMay 1 – June 1June 1 – 15
WashingtonMay 1 – June 1June 1 – 15
Webb CityMay 1 – June 1June 1 – 15
Webster GrovesApr 20 – June 1June 1 – 15
WentzvilleMay 1 – June 1June 1 – 15
West PlainsMay 10 – June 10June 1 – 15
WildwoodMay 1 – June 1June 1 – 15

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 sweet potatoes.