Fox Farm Organic Planting mix is loaded with goodness to help improve your existing soil. This natural planting mix includes earthworm castings, bat guano, kelp meal, aged forest products, and sphagnum peat moss. Use it every time you plant to help adjust soil pH and moisture. For new gardens, work Planting Mix into a 3"-6" layer. For established gardens, top dress with a 3" layer of Planting Mix. For lawns, spread a thin layer of Planting Mix after aerating, work in with a rake, and water. 1 cu. ft. bag.