Black Gold All Purpose Potting Mix 8 qt, Pack of 8This nutrient rich blend is great for indoor and outdoor container plantings. It provides superior moisture retention, excellent drainage and is specially formulated with a controlled release fertilizer that feeds plants for up to six months. All around best choice for a multiple use potting soil A blend of canadian sphagnum peat moss, bark, earthworm castings, compost and perlite or pumice Includes earthworm castings a natural fertilizer and