GrowZone

Seed-start answer

Start tomatoes seeds indoors around Feb 25

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

Seed starting schedule

Tomatoes dates for New York, NY

StepDateHow to use it
Start IndoorsFebruary 25, 2026Start seeds under lights or in a bright indoor seed-starting space.
Transplant OutdoorsApril 15, 2026Move hardened-off seedlings outside after the frost-risk window.