For all indoor potting needs, this certified organic soil blend is the best choice. #4 Sunshine Blend Aggregate Mix Organic is recommended where high air capacity and fast drainage are needed, particularly with indoor plantings. It contains Canadian sphagnum peat, coarse perlite, a nutrient charge with gypsum, and dolomite lime. This product is OMRI listed for organic use. Only available in 3.8 cubic foot bales. For pickup only.