When to plant Turnips in Wisconsin

In spring, from Mar 10 – Apr 1 in Caledonia to Apr 1 – June 1 in Wisconsin Rapids.

In fall, from June 1 – Aug 1 in Baraboo to Aug 1 – Sept 15 in South Milwaukee.

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

Turnips planting dates by place in Wisconsin
PlaceSpringFall
AllouezMar 20 – May 1July 1 – Aug 1
AppletonMar 20 – May 1July 1 – Aug 1
AshwaubenonMar 20 – May 1July 1 – Aug 1
BarabooMar 20 – May 1June 1 – Aug 1
Beaver DamMar 20 – May 1July 1 – Aug 1
BellevueMar 20 – May 1July 1 – Aug 1
BeloitMar 20 – May 1July 1 – Aug 1
BrookfieldMar 20 – May 1July 1 – Aug 1
Brown DeerMar 20 – May 1July 15 – Aug 15
BurlingtonMar 20 – May 1July 1 – Aug 1
CaledoniaMar 10 – Apr 1July 15 – Aug 15
CedarburgMar 10 – Apr 1July 15 – Aug 15
Chippewa FallsApr 1 – June 1June 1 – Aug 1
CudahyMar 10 – Apr 1Aug 1 – Sept 15
De PereMar 20 – May 1July 1 – Aug 1
DeForestMar 20 – May 1July 1 – Aug 1
Eau ClaireMar 10 – Apr 1July 1 – Aug 1
ElkhornMar 20 – May 1July 1 – Aug 1
FitchburgMar 20 – May 1July 1 – Aug 1
Fond du LacMar 20 – May 1July 15 – Aug 15
Fort AtkinsonMar 20 – May 1July 1 – Aug 1
Fox CrossingMar 20 – May 1July 1 – Aug 1
FranklinMar 20 – May 1July 1 – Aug 1
GermantownApr 1 – June 1July 1 – Aug 1
GlendaleMar 20 – May 1July 15 – Aug 15
GraftonMar 10 – Apr 1July 15 – Aug 15
Green BayApr 1 – June 1July 1 – Aug 1
GreendaleMar 20 – May 1July 1 – Aug 1
GreenfieldMar 20 – May 1July 1 – Aug 1
GreenvilleMar 20 – May 1July 1 – Aug 1
HarrisonMar 20 – May 1July 1 – Aug 1
HartfordApr 1 – June 1June 1 – Aug 1
HartlandMar 20 – May 1July 1 – Aug 1
HobartMar 20 – May 1July 1 – Aug 1
HolmenMar 10 – Apr 1July 15 – Aug 15
HowardApr 1 – June 1July 1 – Aug 1
HudsonMar 10 – Apr 1July 15 – Aug 15
JanesvilleMar 20 – May 1July 1 – Aug 1
KaukaunaMar 20 – May 1July 1 – Aug 1
KenoshaMar 20 – May 1July 15 – Aug 15
La CrosseMar 20 – May 1July 1 – Aug 1
LisbonMar 20 – May 1July 15 – Aug 15
Little ChuteMar 20 – May 1July 1 – Aug 1
MadisonMar 20 – May 1July 1 – Aug 1
ManitowocMar 20 – May 1July 15 – Aug 15
MarinetteMar 20 – May 1July 1 – Aug 1
MarshfieldMar 20 – May 1June 1 – Aug 1
MenashaMar 20 – May 1July 1 – Aug 1
Menomonee FallsApr 1 – June 1July 1 – Aug 1
MenomonieApr 1 – June 1June 1 – Aug 1
MequonApr 1 – June 1July 1 – Aug 1
MiddletonMar 20 – May 1July 1 – Aug 1
MilwaukeeMar 20 – May 1July 15 – Aug 15
MonroeMar 20 – May 1July 1 – Aug 1
Mount PleasantMar 10 – Apr 1July 15 – Aug 15
MuskegoMar 20 – May 1July 1 – Aug 1
NeenahMar 20 – May 1July 1 – Aug 1
New BerlinMar 20 – May 1July 1 – Aug 1
New RichmondMar 10 – Apr 1July 15 – Aug 15
Oak CreekMar 10 – Apr 1Aug 1 – Sept 15
OconomowocMar 20 – May 1July 1 – Aug 1
OnalaskaMar 10 – Apr 1July 15 – Aug 15
OregonMar 20 – May 1July 1 – Aug 1
OshkoshMar 10 – Apr 1July 15 – Aug 15
PewaukeeMar 20 – May 1July 1 – Aug 1
PlattevilleMar 20 – May 1July 1 – Aug 1
Pleasant PrairieMar 10 – Apr 1Aug 1 – Sept 15
PloverMar 20 – May 1July 1 – Aug 1
Port WashingtonMar 20 – May 1July 15 – Aug 15
RacineMar 10 – Apr 1July 15 – Aug 15
ReedsburgMar 20 – May 1July 1 – Aug 1
RichfieldMar 20 – May 1July 15 – Aug 15
River FallsApr 1 – June 1June 1 – Aug 1
Salem LakesMar 20 – May 1July 1 – Aug 1
SheboyganMar 10 – Apr 1July 15 – Aug 15
ShorewoodMar 20 – May 1July 15 – Aug 15
South MilwaukeeMar 10 – Apr 1Aug 1 – Sept 15
Stevens PointMar 20 – May 1July 1 – Aug 1
StoughtonMar 20 – May 1July 1 – Aug 1
SuamicoApr 1 – June 1July 1 – Aug 1
Sun PrairieMar 20 – May 1July 1 – Aug 1
SuperiorApr 1 – June 1July 1 – Aug 1
SussexMar 20 – May 1July 15 – Aug 15
Two RiversMar 20 – May 1July 15 – Aug 15
VeronaMar 20 – May 1July 1 – Aug 1
WatertownMar 20 – May 1July 1 – Aug 1
WaukeshaMar 20 – May 1July 1 – Aug 1
WaunakeeMar 20 – May 1July 1 – Aug 1
WaupunMar 20 – May 1July 1 – Aug 1
WausauApr 1 – June 1June 1 – Aug 1
WauwatosaMar 20 – May 1July 15 – Aug 15
West AllisMar 20 – May 1July 15 – Aug 15
West BendMar 20 – May 1July 1 – Aug 1
WestonApr 1 – June 1June 1 – Aug 1
Whitefish BayMar 20 – May 1July 15 – Aug 15
WhitewaterMar 20 – May 1July 1 – Aug 1
WindsorMar 20 – May 1July 1 – Aug 1
Wisconsin RapidsApr 1 – June 1June 1 – Aug 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 turnips.