Nebraska · zones 4b–5b
When to plant zucchini in Nebraska.
Sow between May 5 to Aug 18 in a typical year, keyed to Nebraska's median last frost around Apr 28. A second, fall sowing fits Jun 22 to Jul 11. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Zucchini dates for a typical Nebraska season.
Direct sow
May 5 to Aug 18
Keyed to the ~Apr 28 last frost. Sow 1" deep, 24" apart.
Fall round
Jun 22 to Jul 11
Counted back from the ~Oct 6 first frost.
Harvest
~50 days later
~8 lb per plant over ~5 weeks.
Nebraska spans more than one climate: Zone 5 is the most common zone, but the state runs 4b to 5b. 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.