Multi cluster Golden Barrel Cactus Echinocactus grusonii Size:6" Pot you want to use our and container size you want to use our Go to soil cactus mix blend 1 gal 4 qt cacti succulent dirt compost growing mediaspecialized potting mix that contains 5 natural substrates and organic mycorrhizae to promote the development of a strong root system that helps your succulent to thrive dense clump of slowly spreading groundcover that adds plenty of interest and textural goodness and looks great all year long patience is key here) So if you're lucky enough to have a mature specimen of Golden Barrel Cactus Echinocactus grusonii in your garden then keep an eye out for those gorgeous yellow flowers come summertime