Welcome to California Soils, Inc. We specialize in the production of premium quality Worm Castings and Soil Ammendments for the wholesale market since 2003. Our 200 acre production facility located in Vernalis, CA is strategically positioned to service all areas of California and the Western States quickly and efficiently. Our size insures a trustworthy supply of worm castings - even for your largest orders. Whether you require a single super sack or multiple truck loads - we stand ready to serve.