When to plant Sweet corn in Indiana

In spring, from Mar 25 – May 15 in Clarksville to May 10 – June 15 in West Lafayette.

In fall, June 1 – July 20.

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

Sweet corn planting dates by place in Indiana
PlaceSpringFall
AndersonApr 25 – June 15June 1 – July 20
AuburnMay 10 – June 15June 1 – July 10
AvonApr 10 – June 1June 1 – Aug 1
BargersvilleApr 25 – June 15June 1 – July 20
BedfordApr 25 – June 15June 1 – July 20
Beech GroveApr 25 – June 15June 1 – July 20
BloomingtonApr 10 – June 1June 1 – Aug 1
BlufftonApr 25 – June 15June 1 – July 20
BrownsburgApr 10 – June 1June 1 – Aug 1
CarmelApr 25 – June 15June 1 – July 20
Cedar LakeMay 10 – June 15June 1 – July 20
ChestertonApr 25 – June 15June 1 – Aug 1
ClarksvilleMar 25 – May 15June 1 – Aug 15
Columbia CityMay 10 – June 15June 1 – July 20
ColumbusApr 10 – June 1June 1 – July 20
ConnersvilleMay 10 – June 15June 1 – July 10
CrawfordsvilleMay 10 – June 15June 1 – July 10
Crown PointMay 10 – June 15June 1 – July 20
DanvilleApr 10 – June 1June 1 – Aug 1
DecaturApr 25 – June 15June 1 – July 20
DyerApr 25 – June 15June 1 – July 20
East ChicagoApr 25 – June 15June 1 – July 20
ElkhartMay 10 – June 15June 1 – July 20
EvansvilleMar 25 – May 15June 1 – Aug 15
FishersApr 25 – June 15June 1 – July 20
Fort WayneApr 25 – June 15June 1 – July 20
FrankfortApr 25 – June 15June 1 – July 20
FranklinApr 25 – June 15June 1 – July 20
GaryApr 25 – June 15June 1 – Aug 1
GoshenMay 10 – June 15June 1 – July 20
GreenfieldApr 25 – June 15June 1 – July 20
GreensburgApr 10 – June 1June 1 – Aug 1
GreenwoodApr 25 – June 15June 1 – July 20
GriffithApr 25 – June 15June 1 – July 20
HammondApr 25 – June 15June 1 – July 20
HighlandApr 25 – June 15June 1 – July 20
HobartApr 25 – June 15June 1 – July 20
HuntertownMay 10 – June 15June 1 – July 10
HuntingtonMay 10 – June 15June 1 – July 10
IndianapolisApr 25 – June 15June 1 – July 20
JasperApr 10 – June 1June 1 – Aug 1
JeffersonvilleMar 25 – May 15June 1 – Aug 15
KendallvilleMay 10 – June 15June 1 – July 20
KokomoMay 10 – June 15June 1 – July 20
La PorteApr 25 – June 15June 1 – Aug 1
LafayetteMay 10 – June 15June 1 – July 20
Lake StationApr 25 – June 15June 1 – Aug 1
LawrenceApr 25 – June 15June 1 – Aug 1
LebanonApr 25 – June 15June 1 – July 20
LogansportApr 25 – June 15June 1 – July 20
LowellMay 10 – June 15June 1 – July 20
MadisonApr 10 – June 1June 1 – Aug 1
MarionMay 10 – June 15June 1 – July 20
MartinsvilleApr 25 – June 15June 1 – July 10
McCordsvilleApr 25 – June 15June 1 – Aug 1
MerrillvilleApr 25 – June 15June 1 – July 20
Michigan CityApr 25 – June 15June 1 – Aug 1
MishawakaApr 25 – June 15June 1 – July 20
MooresvilleApr 10 – June 1June 1 – Aug 1
MuncieApr 25 – June 15June 1 – July 20
MunsterApr 25 – June 15June 1 – July 20
New AlbanyMar 25 – May 15June 1 – Aug 15
New CastleMay 10 – June 15June 1 – July 20
New HavenMay 10 – June 15June 1 – July 20
NoblesvilleApr 25 – June 15June 1 – July 20
PeruApr 25 – June 15June 1 – July 20
PlainfieldApr 10 – June 1June 1 – Aug 1
PlymouthApr 25 – June 15June 1 – July 20
PortageApr 25 – June 15June 1 – Aug 1
RichmondApr 25 – June 15June 1 – July 20
ScherervilleApr 25 – June 15June 1 – July 20
SellersburgMar 25 – May 15June 1 – Aug 15
SeymourApr 25 – June 15June 1 – July 20
ShelbyvilleApr 25 – June 15June 1 – July 20
South BendApr 25 – June 15June 1 – July 20
SpeedwayApr 10 – June 1June 1 – Aug 1
St. JohnApr 25 – June 15June 1 – July 20
Terre HauteApr 10 – June 1June 1 – July 20
ValparaisoApr 25 – June 15June 1 – July 20
VincennesApr 10 – June 1June 1 – Aug 1
WabashApr 25 – June 15June 1 – July 20
WarsawMay 10 – June 15June 1 – July 20
WashingtonApr 10 – June 1June 1 – July 20
West LafayetteMay 10 – June 15June 1 – July 20
WestfieldApr 25 – June 15June 1 – July 20
WhitestownApr 25 – June 15June 1 – July 20
YorktownApr 25 – June 15June 1 – July 20
ZionsvilleApr 25 – June 15June 1 – July 20

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 corn.