New York · zones 5a–7b
When to plant tomatoes in New York.
Sow or transplant between May 7 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
Tomatoes dates for a typical New York season.
1 · Start indoors
Mar 26 to May 26
About 6 weeks before set-out. Warm spot, real light.
2 · Set out
May 7 to Jul 7
Keyed to the ~Apr 30 last frost. Sow 0.25" deep, 24" apart.
Harvest
~73 days later
~12 lb per plant over ~8 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.