Kansas · zones 5b–7a
When to plant lettuce in Kansas.
Sow between Mar 7 to Apr 21 in a typical year, keyed to Kansas's median last frost around Apr 14. A second, fall sowing fits Aug 8 to Oct 7. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Lettuce dates for a typical Kansas season.
Direct sow
Mar 7 to Apr 21
Keyed to the ~Apr 14 last frost. Sow 0.25" deep, 6" apart.
Fall round
Aug 8 to Oct 7
Counted back from the ~Oct 22 first frost.
Harvest
~45 days later
~0.4 lb per plant over ~1 weeks.
Kansas spans more than one climate: Zone 6 is the most common zone, but the state runs 5b 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.