New Jersey · zones 6b7b

When to plant tomatoes in New Jersey.

Sow or transplant between Apr 22 to Jun 22 in a typical year, keyed to New Jersey's median last frost around Apr 15. Dates below are state medians; your ZIP code shifts them by days to weeks.

The 2026 windows

Tomatoes dates for a typical New Jersey season.

1 · Start indoors

Mar 11 to May 11

About 6 weeks before set-out. Warm spot, real light.

2 · Set out

Apr 22 to Jun 22

Keyed to the ~Apr 15 last frost. Sow 0.25" deep, 24" apart.

Harvest

~73 days later

~12 lb per plant over ~8 weeks.

New Jersey spans more than one climate: Zone 7 is the most common zone, but the state runs 6b 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.