thorns on kale

I noticed small white thorn-like textures on my kale leaves in my garden. They are sharp to the touch. Do you know these are? Is this normal/OK to eat? Is it necessary to treat?

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1 Comment To "thorns on kale"

#1 Comment By Downtoearthdigs On 07/16/2015 @ 6:16 pm

I have heard reports of some varieties having these hairy little thorns. They will not harm you and will cook down in the wilting process.

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