We are growing Kale in our hydroponic grow towers. (Aeropnic?) And I didn't know they could get stems that thick! Although maybe that explains the massive thick roots I was cutting off them when we were cleaning the tower out for the year.
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Oh cool! I have an aeroponic project planned, just have not gotten to it yet. I believe aeroponic sprays the roots with water, hydroponic they are soaking in water.
Well these Kale plants are at least a year old. The seedlings are much smaller. Maybe because I am growing them outdoor they grow real big.