In Missouri, the kale season typically runs early May to mid-November, with peak availability mid-May through mid-October. Exact weeks shift a little with each year's weather.
Can I pick my own kale in Missouri?
Mostly a market-table crop; a few CSA farms let members cut their own. The best market weeks are mid-May through mid-October.
How long does kale season last in Missouri?
about 28 weeks end to end — early May to mid-November. The early and late shoulders are real but lighter; the solid stretch of chalk on the band is the sure bet.