New York · zones 5a–7b
When to plant watermelon in New York.
Sow between May 21 to Jul 7 in a typical year, keyed to New York's median last frost around Apr 30. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Watermelon dates for a typical New York season.
Direct sow
May 21 to Jul 7
Keyed to the ~Apr 30 last frost. Sow 1" deep, 36" apart.
Harvest
~85 days later
~20 lb per plant over ~3 weeks.
New York spans more than one climate: Zone 7 is the most common zone, but the state runs 5a to 7b. That's why the planner works from your ZIP code's frost dates, not your zone — mountain and coastal gardens in the same state can be three weeks apart.