In California, the spinach season typically runs early January to late December, with peak availability early February through late November. Exact weeks shift a little with each year's weather.
Can I pick my own spinach in California?
Rarely offered u-pick; buy same-day cut bunches at spring and fall market stalls. The best market weeks are early February through late November.
How long does spinach season last in California?
about 52 weeks end to end — early January to late December. The early and late shoulders are real but lighter; the solid stretch of chalk on the band is the sure bet.