When to plant Lettuce in Missouri

In spring, from Feb 15 – Apr 15 in Ballwin to Mar 20 – May 15 in West Plains.

In fall, from July 15 – Sept 1 in Bolivar to Aug 25 – Oct 1 in Sikeston.

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

Leaf lettuce planting dates by place in Missouri
PlaceSpringFall
ArnoldMar 15 – May 15Aug 15 – Oct 1
BallwinFeb 15 – Apr 15Aug 15 – Oct 1
Bellefontaine NeighborsFeb 15 – Apr 15Aug 15 – Oct 1
BeltonMar 15 – May 15Aug 15 – Oct 1
Blue SpringsMar 15 – May 15Aug 15 – Oct 1
BolivarMar 15 – May 15July 15 – Sept 1
BransonMar 15 – May 15Aug 15 – Oct 1
BridgetonFeb 15 – Apr 15Aug 15 – Oct 1
Cape GirardeauMar 15 – May 15July 15 – Sept 1
CarthageFeb 15 – Apr 15Aug 15 – Oct 1
ChesterfieldFeb 15 – Apr 15Aug 15 – Oct 1
ClaytonFeb 15 – Apr 15Aug 15 – Oct 1
ColumbiaMar 15 – May 15Aug 15 – Oct 1
CrestwoodFeb 15 – Apr 15Aug 15 – Oct 1
Creve CoeurFeb 15 – Apr 15Aug 15 – Oct 1
Dardenne PrairieMar 15 – May 15Aug 15 – Oct 1
EllisvilleMar 15 – May 15July 15 – Sept 1
EurekaMar 15 – May 15July 15 – Sept 1
Excelsior SpringsMar 20 – May 15July 15 – Sept 1
FarmingtonMar 15 – May 15July 15 – Sept 1
FergusonFeb 15 – Apr 15Aug 15 – Oct 1
FestusMar 15 – May 15Aug 15 – Oct 1
FlorissantFeb 15 – Apr 15Aug 15 – Oct 1
FultonMar 15 – May 15July 15 – Sept 1
GladstoneFeb 15 – Apr 15Aug 15 – Oct 1
Grain ValleyMar 15 – May 15Aug 15 – Oct 1
GrandviewMar 15 – May 15Aug 15 – Oct 1
HannibalMar 15 – May 15Aug 15 – Oct 1
HazelwoodFeb 15 – Apr 15Aug 15 – Oct 1
IndependenceMar 15 – May 15Aug 15 – Oct 1
JacksonMar 15 – May 15Aug 15 – Oct 1
Jefferson CityMar 15 – May 15Aug 15 – Oct 1
JenningsFeb 15 – Apr 15Aug 15 – Oct 1
JoplinMar 15 – May 15Aug 15 – Oct 1
Kansas CityFeb 15 – Apr 15Aug 15 – Oct 1
KearneyMar 20 – May 15July 15 – Sept 1
KennettFeb 15 – Apr 15Aug 15 – Oct 1
KirksvilleMar 20 – May 15July 15 – Sept 1
KirkwoodFeb 15 – Apr 15Aug 15 – Oct 1
Lake St. LouisMar 15 – May 15Aug 15 – Oct 1
LebanonMar 20 – May 15July 15 – Sept 1
Lee's SummitMar 15 – May 15Aug 15 – Oct 1
LibertyMar 20 – May 15July 15 – Sept 1
ManchesterFeb 15 – Apr 15Aug 15 – Oct 1
MarshallMar 15 – May 15July 15 – Sept 1
Maryland HeightsFeb 15 – Apr 15Aug 15 – Oct 1
MaryvilleMar 20 – May 15July 15 – Sept 1
MexicoMar 15 – May 15July 15 – Sept 1
MoberlyMar 15 – May 15July 15 – Sept 1
MonettMar 15 – May 15Aug 15 – Oct 1
NeoshoMar 15 – May 15Aug 15 – Oct 1
NixaMar 15 – May 15July 15 – Sept 1
O'FallonMar 15 – May 15Aug 15 – Oct 1
OverlandFeb 15 – Apr 15Aug 15 – Oct 1
OzarkMar 15 – May 15July 15 – Sept 1
Poplar BluffFeb 15 – Apr 15Aug 25 – Oct 1
RaymoreMar 15 – May 15Aug 15 – Oct 1
RaytownMar 15 – May 15Aug 15 – Oct 1
RepublicMar 15 – May 15Aug 15 – Oct 1
RollaMar 15 – May 15Aug 15 – Oct 1
SedaliaMar 20 – May 15July 15 – Sept 1
SikestonFeb 15 – Apr 15Aug 25 – Oct 1
SmithvilleMar 20 – May 15July 15 – Sept 1
SpringfieldFeb 15 – Apr 15Aug 15 – Oct 1
St. AnnFeb 15 – Apr 15Aug 15 – Oct 1
St. CharlesMar 15 – May 15Aug 15 – Oct 1
St. JosephMar 20 – May 15July 15 – Sept 1
St. LouisFeb 15 – Apr 15Aug 15 – Oct 1
St. PetersMar 15 – May 15Aug 15 – Oct 1
Town and CountryFeb 15 – Apr 15Aug 15 – Oct 1
TroyMar 15 – May 15July 15 – Sept 1
UnionMar 15 – May 15July 15 – Sept 1
University CityFeb 15 – Apr 15Aug 15 – Oct 1
WarrensburgMar 15 – May 15July 15 – Sept 1
WashingtonMar 15 – May 15July 15 – Sept 1
Webb CityMar 15 – May 15Aug 15 – Oct 1
Webster GrovesFeb 15 – Apr 15Aug 15 – Oct 1
WentzvilleMar 15 – May 15Aug 15 – Oct 1
West PlainsMar 20 – May 15July 15 – Sept 1
WildwoodMar 15 – May 15July 15 – Sept 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 leaf lettuce.