Absorbs and retains up to twenty times its weight in water, twice as much as a cellulose sponge. Invaluable for soilless gardening, transplanting, mulch and hanging basket filler. For soil mixes, it offers excellent root aeration. Also used for rooting bulbs and cuttings. Long fibered sphagnum moss is not peat moss, but rather a perennial plant that grows wild in the central Wisconsin sphagnum bogs.