Rhode Island · zones 6b–7a
When to plant lettuce in Rhode Island.
Sow between Mar 3 to Apr 17 in a typical year, keyed to Rhode Island's median last frost around Apr 10. A second, fall sowing fits Aug 13 to Oct 12. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Lettuce dates for a typical Rhode Island season.
Direct sow
Mar 3 to Apr 17
Keyed to the ~Apr 10 last frost. Sow 0.25" deep, 6" apart.
Fall round
Aug 13 to Oct 12
Counted back from the ~Oct 27 first frost.
Harvest
~45 days later
~0.4 lb per plant over ~1 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.