Succulents terrariums are very popular as they offer many planting options. It is usually propagated via cuttings or cuttings. Variegated and crested varieties are difficult to grow on roots so they are often grafted. The dead roots and rotten leaves should be removed. Once the succulent is dry, place it in a shaded area and allow it to dry completely. Due to the number of cute planters out there, it is not always possible for succulents to be planted in a proper container. What Kinds of Succulents Keep Small? It has small prickles along its stems that make it look like a cactus.