When to plant Watermelon and cantaloupe in New Hampshire

In spring, from May 15 – June 15 in Dover to June 1 – 15 in Lebanon.

For a fall crop, from May 15 – June 1 in Claremont to June 15 – July 20 in Laconia.

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 New Hampshire
PlaceSpringFall
ClaremontJune 1 – 15May 15 – June 1
ConcordJune 1 – 15May 15 – June 1
DoverMay 15 – June 15June 1 – 15
KeeneJune 1 – 15May 15 – June 1
LaconiaMay 15 – June 15June 15 – July 20
LebanonJune 1 – 15June 1 – 15
ManchesterMay 15 – June 15June 1 – 15
NashuaMay 15 – June 15June 1 – 15
PortsmouthMay 15 – June 15June 1 – 15
RochesterMay 15 – June 15June 1 – 15
SomersworthMay 15 – June 15June 1 – 15

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