Our Topsoil blend is carefully mixed to insure the proper balance of organic and mineral matter, designed as an all purpose planting medium for in-ground planting. Ingredients are from local sources and include: sandy loam, silt & clay (small % to aid tilth and CEC), organic compost, raw aged natural forest products (Redwood, Fir & Oak), grape pomace, peat moss, organic composted dairy manure, gypsum, and 15-15-15 fertilizer.