When to plant Cucumbers in Wisconsin

In spring, from May 1 – June 15 in Caledonia to May 20 – June 15 in Wisconsin Rapids.

In fall, June 1 – July 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 Wisconsin
PlaceSpringFall
AllouezMay 15 – June 15June 1 – July 1
AppletonMay 15 – June 15June 1 – July 1
AshwaubenonMay 15 – June 15June 1 – July 1
BarabooMay 15 – June 15June 1 – July 1
Beaver DamMay 15 – June 15June 1 – July 1
BellevueMay 15 – June 15June 1 – July 1
BeloitMay 15 – June 15June 1 – July 1
BrookfieldMay 15 – June 15June 1 – July 1
Brown DeerMay 15 – June 15June 1 – July 15
BurlingtonMay 15 – June 15June 1 – July 1
CaledoniaMay 1 – June 15June 1 – July 15
CedarburgMay 1 – June 15June 1 – July 15
Chippewa FallsMay 20 – June 15June 1 – July 1
CudahyMay 1 – June 15June 1 – Aug 1
De PereMay 15 – June 15June 1 – July 1
DeForestMay 15 – June 15June 1 – July 1
Eau ClaireMay 1 – June 15June 1 – July 1
ElkhornMay 15 – June 15June 1 – July 1
FitchburgMay 15 – June 15June 1 – July 1
Fond du LacMay 15 – June 15June 1 – July 15
Fort AtkinsonMay 15 – June 15June 1 – July 1
Fox CrossingMay 15 – June 15June 1 – July 1
FranklinMay 15 – June 15June 1 – July 1
GermantownMay 20 – June 15June 1 – July 1
GlendaleMay 15 – June 15June 1 – July 15
GraftonMay 1 – June 15June 1 – July 15
Green BayMay 20 – June 15June 1 – July 1
GreendaleMay 15 – June 15June 1 – July 1
GreenfieldMay 15 – June 15June 1 – July 1
GreenvilleMay 15 – June 15June 1 – July 1
HarrisonMay 15 – June 15June 1 – July 1
HartfordMay 20 – June 15June 1 – July 1
HartlandMay 15 – June 15June 1 – July 1
HobartMay 15 – June 15June 1 – July 1
HolmenMay 1 – June 15June 1 – July 15
HowardMay 20 – June 15June 1 – July 1
HudsonMay 1 – June 15June 1 – July 15
JanesvilleMay 15 – June 15June 1 – July 1
KaukaunaMay 15 – June 15June 1 – July 1
KenoshaMay 15 – June 15June 1 – July 15
La CrosseMay 15 – June 15June 1 – July 1
LisbonMay 15 – June 15June 1 – July 15
Little ChuteMay 15 – June 15June 1 – July 1
MadisonMay 15 – June 15June 1 – July 1
ManitowocMay 15 – June 15June 1 – July 15
MarinetteMay 15 – June 15June 1 – July 1
MarshfieldMay 15 – June 15June 1 – July 1
MenashaMay 15 – June 15June 1 – July 1
Menomonee FallsMay 20 – June 15June 1 – July 1
MenomonieMay 20 – June 15June 1 – July 1
MequonMay 20 – June 15June 1 – July 1
MiddletonMay 15 – June 15June 1 – July 1
MilwaukeeMay 15 – June 15June 1 – July 15
MonroeMay 15 – June 15June 1 – July 1
Mount PleasantMay 1 – June 15June 1 – July 15
MuskegoMay 15 – June 15June 1 – July 1
NeenahMay 15 – June 15June 1 – July 1
New BerlinMay 15 – June 15June 1 – July 1
New RichmondMay 1 – June 15June 1 – July 15
Oak CreekMay 1 – June 15June 1 – Aug 1
OconomowocMay 15 – June 15June 1 – July 1
OnalaskaMay 1 – June 15June 1 – July 15
OregonMay 15 – June 15June 1 – July 1
OshkoshMay 1 – June 15June 1 – July 15
PewaukeeMay 15 – June 15June 1 – July 1
PlattevilleMay 15 – June 15June 1 – July 1
Pleasant PrairieMay 1 – June 15June 1 – Aug 1
PloverMay 15 – June 15June 1 – July 1
Port WashingtonMay 15 – June 15June 1 – July 15
RacineMay 1 – June 15June 1 – July 15
ReedsburgMay 15 – June 15June 1 – July 1
RichfieldMay 15 – June 15June 1 – July 15
River FallsMay 20 – June 15June 1 – July 1
Salem LakesMay 15 – June 15June 1 – July 1
SheboyganMay 1 – June 15June 1 – July 15
ShorewoodMay 15 – June 15June 1 – July 15
South MilwaukeeMay 1 – June 15June 1 – Aug 1
Stevens PointMay 15 – June 15June 1 – July 1
StoughtonMay 15 – June 15June 1 – July 1
SuamicoMay 20 – June 15June 1 – July 1
Sun PrairieMay 15 – June 15June 1 – July 1
SuperiorMay 20 – June 15June 1 – July 1
SussexMay 15 – June 15June 1 – July 15
Two RiversMay 15 – June 15June 1 – July 15
VeronaMay 15 – June 15June 1 – July 1
WatertownMay 15 – June 15June 1 – July 1
WaukeshaMay 15 – June 15June 1 – July 1
WaunakeeMay 15 – June 15June 1 – July 1
WaupunMay 15 – June 15June 1 – July 1
WausauMay 20 – June 15June 1 – July 1
WauwatosaMay 15 – June 15June 1 – July 15
West AllisMay 15 – June 15June 1 – July 15
West BendMay 15 – June 15June 1 – July 1
WestonMay 20 – June 15June 1 – July 1
Whitefish BayMay 15 – June 15June 1 – July 15
WhitewaterMay 15 – June 15June 1 – July 1
WindsorMay 15 – June 15June 1 – July 1
Wisconsin RapidsMay 20 – June 15June 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 cucumbers.