Rhode Island · zones 6b–7a
When to plant zucchini in Rhode Island.
Sow between Apr 17 to Jul 31 in a typical year, keyed to Rhode Island's median last frost around Apr 10. A second, fall sowing fits Jul 13 to Aug 1. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Zucchini dates for a typical Rhode Island season.
Direct sow
Apr 17 to Jul 31
Keyed to the ~Apr 10 last frost. Sow 1" deep, 24" apart.
Fall round
Jul 13 to Aug 1
Counted back from the ~Oct 27 first frost.
Harvest
~50 days later
~8 lb per plant over ~5 weeks.
Rhode Island spans more than one climate: Zone 6 is the most common zone, but the state runs 6b to 7a. 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.