When to plant Watermelon in Kentucky

In spring, from Apr 10 – May 15 in Hopkinsville to May 15 – June 15 in Shelbyville.

In fall, from June 1 – 15 in Shelbyville to July 15 – 30 in Shively.

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

Watermelon planting dates by place in Kentucky
PlaceSpringFall
AlexandriaMay 1 – June 15June 15 – July 20
AshlandMay 1 – June 15June 15 – July 20
BardstownApr 20 – June 1June 15 – July 20
BereaApr 20 – June 1July 1 – 15
Bowling GreenApr 20 – June 1July 1 – 15
CampbellsvilleApr 20 – June 1June 15 – July 20
CovingtonMay 1 – June 15June 15 – July 20
DanvilleApr 20 – June 1July 1 – 15
ElizabethtownMay 1 – June 15June 15 – July 20
ErlangerMay 1 – June 15June 15 – July 20
FlorenceMay 1 – June 15June 15 – July 20
Fort ThomasMay 1 – June 15June 15 – July 20
FrankfortApr 20 – June 1June 15 – July 20
FranklinApr 20 – June 1July 1 – 15
GeorgetownMay 1 – June 15June 15 – July 20
GlasgowApr 20 – June 1July 1 – 15
HendersonApr 20 – June 1July 1 – 15
HopkinsvilleApr 10 – May 15July 1 – 15
IndependenceMay 1 – June 15June 15 – July 20
JeffersontownApr 10 – May 15July 1 – 15
La GrangeApr 20 – June 1June 15 – July 20
LawrenceburgApr 20 – June 1July 1 – 15
LexingtonApr 20 – June 1July 1 – 15
LouisvilleApr 20 – June 1July 1 – 15
LyndonApr 10 – May 15July 1 – 15
MadisonvilleApr 10 – May 15July 1 – 15
Mount WashingtonApr 20 – June 1July 1 – 15
MurrayApr 20 – June 1July 1 – 15
NewportMay 1 – June 15June 15 – July 20
NicholasvilleApr 20 – June 1July 1 – 15
OwensboroApr 10 – May 15July 1 – 15
PaducahApr 20 – June 1July 1 – 15
ParisMay 1 – June 15June 15 – July 20
RadcliffMay 1 – June 15June 15 – July 20
RichmondApr 20 – June 1June 15 – July 20
ShelbyvilleMay 15 – June 15June 1 – 15
ShepherdsvilleMay 1 – June 15June 15 – July 20
ShivelyApr 10 – May 15July 15 – 30
SomersetApr 20 – June 1July 1 – 15
St. MatthewsApr 10 – May 15July 1 – 15
VersaillesApr 20 – June 1July 1 – 15
WinchesterMay 1 – June 15June 15 – 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 watermelon.