Can somebody explain how this works? They seemingly are just growing on rocks with little or no soil. : r succulents Aeonium Sunburst Succulent Copper Pinwheel Succulents Box 2 inch Clay Pot by Succulents Box Why I like to grow potatoes Blog at Thompson & Morgan White Lily Color Information #faf0db Better Alternatives HexPot Aquarium Grass Plants Seeds Small Hairy Grass Chrysanthemum Flowers: Planting, Growing, and Caring for Chrysanthemums