When to plant Lettuce in Indiana

In spring, from Feb 15 – Apr 15 in Clarksville to Apr 1 – June 1 in West Lafayette.

In fall, from July 15 – Sept 1 in Anderson to Aug 25 – Oct 1 in Sellersburg.

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 Indiana
PlaceSpringFall
AndersonMar 20 – May 15July 15 – Sept 1
AuburnApr 1 – June 1July 15 – Sept 1
AvonMar 15 – May 15Aug 15 – Oct 1
BargersvilleMar 20 – May 15July 15 – Sept 1
BedfordMar 20 – May 15July 15 – Sept 1
Beech GroveMar 20 – May 15July 15 – Sept 1
BloomingtonMar 15 – May 15Aug 15 – Oct 1
BlufftonMar 20 – May 15July 15 – Sept 1
BrownsburgMar 15 – May 15Aug 15 – Oct 1
CarmelMar 20 – May 15July 15 – Sept 1
Cedar LakeApr 1 – June 1July 15 – Sept 1
ChestertonMar 20 – May 15Aug 15 – Oct 1
ClarksvilleFeb 15 – Apr 15Aug 25 – Oct 1
Columbia CityApr 1 – June 1July 15 – Sept 1
ColumbusMar 15 – May 15July 15 – Sept 1
ConnersvilleApr 1 – June 1July 15 – Sept 1
CrawfordsvilleApr 1 – June 1July 15 – Sept 1
Crown PointApr 1 – June 1July 15 – Sept 1
DanvilleMar 15 – May 15Aug 15 – Oct 1
DecaturMar 20 – May 15July 15 – Sept 1
DyerMar 20 – May 15July 15 – Sept 1
East ChicagoMar 20 – May 15July 15 – Sept 1
ElkhartApr 1 – June 1July 15 – Sept 1
EvansvilleFeb 15 – Apr 15Aug 25 – Oct 1
FishersMar 20 – May 15July 15 – Sept 1
Fort WayneMar 20 – May 15July 15 – Sept 1
FrankfortMar 20 – May 15July 15 – Sept 1
FranklinMar 20 – May 15July 15 – Sept 1
GaryMar 20 – May 15Aug 15 – Oct 1
GoshenApr 1 – June 1July 15 – Sept 1
GreenfieldMar 20 – May 15July 15 – Sept 1
GreensburgMar 15 – May 15Aug 15 – Oct 1
GreenwoodMar 20 – May 15July 15 – Sept 1
GriffithMar 20 – May 15July 15 – Sept 1
HammondMar 20 – May 15July 15 – Sept 1
HighlandMar 20 – May 15July 15 – Sept 1
HobartMar 20 – May 15July 15 – Sept 1
HuntertownApr 1 – June 1July 15 – Sept 1
HuntingtonApr 1 – June 1July 15 – Sept 1
IndianapolisMar 20 – May 15July 15 – Sept 1
JasperMar 15 – May 15Aug 15 – Oct 1
JeffersonvilleFeb 15 – Apr 15Aug 25 – Oct 1
KendallvilleApr 1 – June 1July 15 – Sept 1
KokomoApr 1 – June 1July 15 – Sept 1
La PorteMar 20 – May 15Aug 15 – Oct 1
LafayetteApr 1 – June 1July 15 – Sept 1
Lake StationMar 20 – May 15Aug 15 – Oct 1
LawrenceMar 20 – May 15Aug 15 – Oct 1
LebanonMar 20 – May 15July 15 – Sept 1
LogansportMar 20 – May 15July 15 – Sept 1
LowellApr 1 – June 1July 15 – Sept 1
MadisonMar 15 – May 15Aug 15 – Oct 1
MarionApr 1 – June 1July 15 – Sept 1
MartinsvilleMar 20 – May 15July 15 – Sept 1
McCordsvilleMar 20 – May 15Aug 15 – Oct 1
MerrillvilleMar 20 – May 15July 15 – Sept 1
Michigan CityMar 20 – May 15Aug 15 – Oct 1
MishawakaMar 20 – May 15July 15 – Sept 1
MooresvilleMar 15 – May 15Aug 15 – Oct 1
MuncieMar 20 – May 15July 15 – Sept 1
MunsterMar 20 – May 15July 15 – Sept 1
New AlbanyFeb 15 – Apr 15Aug 25 – Oct 1
New CastleApr 1 – June 1July 15 – Sept 1
New HavenApr 1 – June 1July 15 – Sept 1
NoblesvilleMar 20 – May 15July 15 – Sept 1
PeruMar 20 – May 15July 15 – Sept 1
PlainfieldMar 15 – May 15Aug 15 – Oct 1
PlymouthMar 20 – May 15July 15 – Sept 1
PortageMar 20 – May 15Aug 15 – Oct 1
RichmondMar 20 – May 15July 15 – Sept 1
ScherervilleMar 20 – May 15July 15 – Sept 1
SellersburgFeb 15 – Apr 15Aug 25 – Oct 1
SeymourMar 20 – May 15July 15 – Sept 1
ShelbyvilleMar 20 – May 15July 15 – Sept 1
South BendMar 20 – May 15July 15 – Sept 1
SpeedwayMar 15 – May 15Aug 15 – Oct 1
St. JohnMar 20 – May 15July 15 – Sept 1
Terre HauteMar 15 – May 15July 15 – Sept 1
ValparaisoMar 20 – May 15July 15 – Sept 1
VincennesMar 15 – May 15Aug 15 – Oct 1
WabashMar 20 – May 15July 15 – Sept 1
WarsawApr 1 – June 1July 15 – Sept 1
WashingtonMar 15 – May 15July 15 – Sept 1
West LafayetteApr 1 – June 1July 15 – Sept 1
WestfieldMar 20 – May 15July 15 – Sept 1
WhitestownMar 20 – May 15July 15 – Sept 1
YorktownMar 20 – May 15July 15 – Sept 1
ZionsvilleMar 20 – 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.