Ohio · zones 5b–6b
When to plant green beans in Ohio.
Sow between Apr 25 to Jun 15 in a typical year, keyed to Ohio's median last frost around Apr 25. A second, fall sowing fits Jul 1 to Aug 3. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Green Beans dates for a typical Ohio season.
Direct sow
Apr 25 to Jun 15
Keyed to the ~Apr 25 last frost. Sow 1" deep, 3" apart.
Fall round
Jul 1 to Aug 3
Counted back from the ~Oct 15 first frost.
Harvest
~55 days later
~0.75 lb per plant over ~3 weeks.
Ohio spans more than one climate: Zone 6 is the most common zone, but the state runs 5b to 6b. 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.