Cove serves as a consistent and dependable source of hydration for indoor plants and is inspired by the natural water retention abilities and elegant shape of the cereus cacti, native to arid regions. The cacti have evolved remarkable water retention abilities to survive in harsh, dry climates. Easy to use. Simply plant Cove partially in the soil of medium- to large-potted plants, fill it with water, and let the water seep down to the roots of the plant