In Montana, the spinach season typically runs mid-May to mid-July, and again mid-August to late September, with peak availability early June through late June. Exact weeks shift a little with each year's weather.
Can I pick my own spinach in Montana?
Rarely offered u-pick; buy same-day cut bunches at spring and fall market stalls. The best market weeks are early June through late June.
How long does spinach season last in Montana?
about 15 weeks end to end — mid-May to mid-July, and again mid-August to late September. The early and late shoulders are real but lighter; the solid stretch of chalk on the band is the sure bet.