Delaware · zones 7b–7b
When to plant green beans in Delaware.
Sow between Apr 12 to Jun 2 in a typical year, keyed to Delaware's median last frost around Apr 12. A second, fall sowing fits Jul 18 to Aug 20. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Green Beans dates for a typical Delaware season.
Direct sow
Apr 12 to Jun 2
Keyed to the ~Apr 12 last frost. Sow 1" deep, 3" apart.
Fall round
Jul 18 to Aug 20
Counted back from the ~Nov 1 first frost.
Harvest
~55 days later
~0.75 lb per plant over ~3 weeks.
Delaware spans more than one climate: Zone 7 is the most common zone, but the state runs 7b 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.