When to plant Cucumbers in Missouri

In spring, from Apr 10 – May 15 in Ballwin to May 1 – June 15 in West Plains.

In fall, June 1 – Aug 1.

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

Cucumbers planting dates by place in Missouri
PlaceSpringFall
ArnoldApr 20 – June 1June 1 – Aug 1
BallwinApr 10 – May 15June 1 – Aug 1
Bellefontaine NeighborsApr 10 – May 15June 1 – Aug 1
BeltonApr 20 – June 1June 1 – Aug 1
Blue SpringsApr 20 – June 1June 1 – Aug 1
BolivarApr 20 – June 1June 1 – July 15
BransonApr 20 – June 1June 1 – Aug 1
BridgetonApr 10 – May 15June 1 – Aug 1
Cape GirardeauApr 20 – June 1June 1 – July 15
CarthageApr 10 – May 15June 1 – Aug 1
ChesterfieldApr 10 – May 15June 1 – Aug 1
ClaytonApr 10 – May 15June 1 – Aug 1
ColumbiaApr 20 – June 1June 1 – Aug 1
CrestwoodApr 10 – May 15June 1 – Aug 1
Creve CoeurApr 10 – May 15June 1 – Aug 1
Dardenne PrairieApr 20 – June 1June 1 – Aug 1
EllisvilleApr 20 – June 1June 1 – July 15
EurekaApr 20 – June 1June 1 – July 15
Excelsior SpringsMay 1 – June 15June 1 – July 15
FarmingtonApr 20 – June 1June 1 – July 15
FergusonApr 10 – May 15June 1 – Aug 1
FestusApr 20 – June 1June 1 – Aug 1
FlorissantApr 10 – May 15June 1 – Aug 1
FultonApr 20 – June 1June 1 – July 15
GladstoneApr 10 – May 15June 1 – Aug 1
Grain ValleyApr 20 – June 1June 1 – Aug 1
GrandviewApr 20 – June 1June 1 – Aug 1
HannibalApr 20 – June 1June 1 – Aug 1
HazelwoodApr 10 – May 15June 1 – Aug 1
IndependenceApr 20 – June 1June 1 – Aug 1
JacksonApr 20 – June 1June 1 – Aug 1
Jefferson CityApr 20 – June 1June 1 – Aug 1
JenningsApr 10 – May 15June 1 – Aug 1
JoplinApr 20 – June 1June 1 – Aug 1
Kansas CityApr 10 – May 15June 1 – Aug 1
KearneyMay 1 – June 15June 1 – July 15
KennettApr 10 – May 15June 1 – Aug 1
KirksvilleMay 1 – June 15June 1 – July 15
KirkwoodApr 10 – May 15June 1 – Aug 1
Lake St. LouisApr 20 – June 1June 1 – Aug 1
LebanonMay 1 – June 15June 1 – July 15
Lee's SummitApr 20 – June 1June 1 – Aug 1
LibertyMay 1 – June 15June 1 – July 15
ManchesterApr 10 – May 15June 1 – Aug 1
MarshallApr 20 – June 1June 1 – July 15
Maryland HeightsApr 10 – May 15June 1 – Aug 1
MaryvilleMay 1 – June 15June 1 – July 15
MexicoApr 20 – June 1June 1 – July 15
MoberlyApr 20 – June 1June 1 – July 15
MonettApr 20 – June 1June 1 – Aug 1
NeoshoApr 20 – June 1June 1 – Aug 1
NixaApr 20 – June 1June 1 – July 15
O'FallonApr 20 – June 1June 1 – Aug 1
OverlandApr 10 – May 15June 1 – Aug 1
OzarkApr 20 – June 1June 1 – July 15
Poplar BluffApr 10 – May 15June 1 – Aug 15
RaymoreApr 20 – June 1June 1 – Aug 1
RaytownApr 20 – June 1June 1 – Aug 1
RepublicApr 20 – June 1June 1 – Aug 1
RollaApr 20 – June 1June 1 – Aug 1
SedaliaMay 1 – June 15June 1 – July 15
SikestonApr 10 – May 15June 1 – Aug 15
SmithvilleMay 1 – June 15June 1 – July 15
SpringfieldApr 10 – May 15June 1 – Aug 1
St. AnnApr 10 – May 15June 1 – Aug 1
St. CharlesApr 20 – June 1June 1 – Aug 1
St. JosephMay 1 – June 15June 1 – July 15
St. LouisApr 10 – May 15June 1 – Aug 1
St. PetersApr 20 – June 1June 1 – Aug 1
Town and CountryApr 10 – May 15June 1 – Aug 1
TroyApr 20 – June 1June 1 – July 15
UnionApr 20 – June 1June 1 – July 15
University CityApr 10 – May 15June 1 – Aug 1
WarrensburgApr 20 – June 1June 1 – July 15
WashingtonApr 20 – June 1June 1 – July 15
Webb CityApr 20 – June 1June 1 – Aug 1
Webster GrovesApr 10 – May 15June 1 – Aug 1
WentzvilleApr 20 – June 1June 1 – Aug 1
West PlainsMay 1 – June 15June 1 – July 15
WildwoodApr 20 – June 1June 1 – July 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 cucumbers.