Recommended by many gardening authorities, sphagnum peat is ideal for a wide range of plants, both indoors and out. BACCTO Sphagnum Peat Moss is 98% organic matter, providing excellent water retention without sacrificing necessary aeration. This unique blend enriches soil by providing humus, aerates and loosens heavy soils and binds sandy soils, adds body to light soils, and can hold many times its weight in moisture.