Aquarium Grass Plants Seeds Small Hairy Grass My Top 25 All Star Tropical Permaculture Plants The Growing Dutchman Chrysanthemum Flowers: Planting, Growing, and Caring for Chrysanthemums Aeonium Sunburst Succulent Copper Pinwheel Succulents Box 2 inch Clay Pot by Succulents Box Hemp Seeds for Growing (Bulk Supply NZ) Midlands Seed Can somebody explain how this works? They seemingly are just growing on rocks with little or no soil. : r succulents