Rich in organic matter! Lambert Peat Moss contains 100% Canadian sphagnum peat moss. The brown peat particles are medium in size, measuring from 0 to 10 millimeters in diameter. Choose your desired volume above. Sphagnum peat moss is rich in beneficial organic matter. This product is handy for landscapers and growers who like to formulate their blends for flats and garden packs. It provides numerous benefits for bedding plants, vegetable market packs and flats, nursery production, and mushroom growing. Peat moss provides numerous benefits for your soil and plants. It offers good air capacity and drainage. It works well in both sub-irrigation and overhead irrigation setups. Lambert works diligently to ensure that their Peat Moss mix contains as few sticks as possible.