This is a great soil blend for your Proven Winners plants and all your gardening needs. This professional-grade potting soil is made from a blend of Premium Canadian sphagnum peat moss, processed softwood bark and horticultural-grade perlite. It contains a professional wetting agent and dolomite lime to buffer soil pH. The 1.5 cu. ft. bag includes a 6-month formulation of Proven Winners Premium Continuous Release Plant Food.