In Oregon, the spinach season typically runs mid-April to late June, and again early September to late November, with peak availability early May through mid-June. Exact weeks shift a little with each year's weather.
Can I pick my own spinach in Oregon?
Rarely offered u-pick; buy same-day cut bunches at spring and fall market stalls. The best market weeks are early May through mid-June.
How long does spinach season last in Oregon?
about 24 weeks end to end — mid-April to late June, and again early September to late November. The early and late shoulders are real but lighter; the solid stretch of chalk on the band is the sure bet.