Schultz MoisturePlus‘ Potting Mix Schultz MoisturePlus Potting Mix is a premium blend of Canadian sphagnum peat moss, composted bark fines, and perlite providing excellent drainage and aeration for strong root development. Specially developed for hanging baskets and other container plants that require frequent watering, Schultz MoisturePlus contains exclusive MoisturePlus Watering Crystals that absorb water and slowly releases it back to the roots of the plant as the soil dries. Schultz MoisturePlus Potting Mix also contains Schultz Time-Release Plant Food that feeds for up to 9 months for beautiful results. Schultz MoisturePlus Potting Mix is available in 8-quart, 16-quart, 1 cubic foot and 2 cubic feet packages.