This is a premium soil recommended and formulated by the Houston Rose Society. This is a special mix designed to help roses and all plants look their absolute best whether they are in flower beds or containers. It is a mixture of composted and screened topsoil, concrete sand, our famous leaf mold compost, as well as basalt and granite sand for drainage. Many in the horticultural industry consider this mix to be the highest quality blended soil available in Texas. 40 pound bags available for pickup in our Houston stores.