In Montana, the kale season typically runs mid-June to mid-October, with peak availability early July through mid-September. Exact weeks shift a little with each year's weather.
Can I pick my own kale in Montana?
Mostly a market-table crop; a few CSA farms let members cut their own. The best market weeks are early July through mid-September.
How long does kale season last in Montana?
about 17 weeks end to end — mid-June to mid-October. The early and late shoulders are real but lighter; the solid stretch of chalk on the band is the sure bet.