Purple Kale! This variety is known as Redbor kale and grows amazingly well on an aeroponic Tower Garden! #kale #purplekale #growyourown #towergarden #verticalfarming #aeroponics #hydroponics #redborkale #towerfarms #leafygreens #healthy #nutritious #pesticidefree #verticalagriculture #sustainablefarming #urbanfarming #urbanagriculture #purple