Fertilome Cactus Mix is a versatile coarse potting mix designed to be used with cacti and succulents. Its mixture consists of components that are meant to replicate soil conditions found in arid environments, includng Canadian sphagnum peat moss, horticultural perlite, granite sand, dolomitic limestone, calcitic limestone, starter nutrient charge, and a wetting agent.  This cactus potting soil mix is ready to use and can be applied right away. One unique feature of this cactus soil mix is that it has a screened granite sand, allowing plants to have good drainage and weight.