Sun Gro Horticulture's Black Gold Cactus Blend is the gold standard for succulents. Beyond providing anchorage, Cactus roots also serve many other functions in the plant. Aside from that, we'll share our go-to places on where to buy them and other beginner succulents. Succulent Plant Lounge: Share your knowledge and tips with other succulent lovers! This group is exclusive to succulent lovers and allows them to comment on each others' posts, answering common questions and sharing their own tips and tricks. Check out this article for more information about succulent care.