New Jersey · zones 6b–7b
When to plant zucchini in New Jersey.
Sow between Apr 22 to Aug 5 in a typical year, keyed to New Jersey's median last frost around Apr 15. A second, fall sowing fits Jul 14 to Aug 2. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Zucchini dates for a typical New Jersey season.
Direct sow
Apr 22 to Aug 5
Keyed to the ~Apr 15 last frost. Sow 1" deep, 24" apart.
Fall round
Jul 14 to Aug 2
Counted back from the ~Oct 28 first frost.
Harvest
~50 days later
~8 lb per plant over ~5 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.