When to plant Watermelon and cantaloupe in Maryland

In spring, from Apr 1 – May 1 in Baltimore to May 1 – June 15 in Westminster.

For a fall crop, from June 15 – July 20 in Bowie to July 15 – 30 in Takoma Park.

Cantaloupe (muskmelon) dates are the same as watermelon except where the table notes them.

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 Maryland
PlaceSpringFall
AberdeenApr 20 – June 1July 1 – 15
AnnapolisApr 10 – May 15July 15 – 30
BaltimoreApr 1 – May 1Not listed
Bel AirApr 20 – June 1July 1 – 15
BowieMay 1 – June 15June 15 – July 20
CambridgeApr 10 – May 15July 15 – 30
College ParkApr 20 – June 1July 1 – 15
CumberlandApr 20 – June 1June 15 – July 20
EastonApr 10 – May 15July 15 – 30
ElktonApr 20 – June 1July 1 – 15
FrederickApr 10 – May 15July 15 – 30
GaithersburgApr 10 – May 15July 15 – 30
GreenbeltApr 20 – June 1July 1 – 15
HagerstownApr 20 – June 1July 1 – 15
Havre de GraceApr 20 – June 1July 1 – 15
HyattsvilleApr 10 – May 15July 15 – 30
La PlataMay 1 – June 15July 1 – 15
LaurelApr 20 – June 1July 15 – 30
New CarrolltonMay 1 – June 15June 15 – July 20
RockvilleApr 10 – May 15July 15 – 30
SalisburyApr 10 – May 15July 15 – 30
Takoma ParkApr 10 – May 15July 15 – 30
WestminsterMay 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. The full USDA table for watermelon.

Updated