On the other hand, some succulent soils contain a lot more organic material to provide the plant with plenty of food. Mix regular potting earth with a mix of fine sand and shale. Add pebbles, ceramic or grit to create a rich potting mixture for Lithops. Cactus varieties that are not able to find cactus soil in your area can use potting soil with small amounts of sand. The cutting of the succulent mix or the potting mixture may cause some leaves to fall off. This category includes many different types of cacti. You can adapt the procedure to suit your needs. Yes, there will be an open wound.