When growing arugula on a Tower Garden, you can harvest the leaves within 3 weeks! #TowerGarden #TowerFarms #Aeroponics #Hydroponics #VerticalFarming #Cruciferous #Brassica #Arugula #Rucola #CruciferousVegetables #PesticideFree #Soilless #FarmToTable #VegetableGarden #Potager #Allotment #KitchenGarden #GrowYourOwn #HealthyLiving #Locavore #Agrotonomy