Succulent Gardens also offers an extensive selection of wreaths and planters, in addition to their vast variety of plants. The Peanut Cactus grows in clumps and are ideal for both hanging planters and ground cover. Pincushion Cacti- This is the most common cactus. It grows quickly and is a great choice for beginners. Had hardest time pulling my finger away from cactus. If it's protruding, try pulling it out with a pair of tweezers. Check out this article we wrote on when to water succulents to learn how to water your plants properly and avoid this problem in the future!