GrowZone

Seed-start answer

Start watermelon seeds indoors around Mar 18

In ZIP 10001, start watermelon seeds indoors around Mar 18, about 21 days before the Apr 8 last-frost estimate.

Source: new-york-central-park frost station, USDA zone 7b, last updated 2026-06-28. Verify locally before planting high-value crops because microclimates, current weather, and yard exposure can move the safe date.

This uses ZIP 10001, the New York frost station, and the Apr 8 last-frost estimate.

Seed starting schedule

Watermelon dates for New York, NY

StepDateHow to use it
Start IndoorsMarch 18, 2026Start seeds under lights or in a bright indoor seed-starting space.
Transplant OutdoorsApril 22, 2026Move hardened-off seedlings outside after the frost-risk window.
Direct SowApril 22, 2026Sow seed outside when the crop and soil can handle the window.