Plastic container raised garden bed is one of the ways on how to recycle. We have hollow blocks around the backyard as well that I put around the plastic container and planted Eco Friendly Growing Planter High Quality Best Selling Plastic Pots for Plants Herbs Cactus and Flowers (HG 2017) Do plants actually clean the air? Los Angeles Times Garden Pots and Planters, Large Ceramic Garden Pots, lightweight garden containers Flora Grubb Gardens Plant Nursery 7 Best Very Big Decorative Large Outdoor Pots for Plants