Zone Michigan | D Ballard added on August 26, 2014 | Answered
How do you know when your kale is too old to eat?
Answered on August 26, 2014
Mostly by how it tastes. If it's too tough or bitter for your taste, then you don't want to use it. This article has more information: https://www.gardeningknowhow.com/edible/vegetables/kale/harvesting-kale.htm
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