Espoma's Organic Cactus Potting Mix provides optimum aeration & drainage for cactus, palm and citrus plants. Now it's been blended with Myco-tone. Myco-tone uses up to 30% less water than ordinary soils, improves transplant survival & growth, improves soil structure and increases tolerance for drought & other environmental stresses. Pick up a 4 qt. bag of Espoma's Organic Cactus Potting Mix at MRT Lawn & Garden.