Idaho · zones 5b–7b
When to plant snap peas in Idaho.
Sow between Mar 20 to May 1 in a typical year, keyed to Idaho's median last frost around May 11. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Snap Peas dates for a typical Idaho season.
Direct sow
Mar 20 to May 1
Keyed to the ~May 11 last frost. Sow 1" deep, 2" apart.
Harvest
~62 days later
~0.4 lb per plant over ~3 weeks.
Idaho spans more than one climate: Zone 6 is the most common zone, but the state runs 5b 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.