It's most commonly used to make a longer stem for a succulent cutting. You will need floral tape if you plan to create your own bouquets, boutonnieres, or centerpieces using succulent cuttings. A: Lithops are not required to be pruned. However, if you feel that your plant is looking unruly or unkempt, you can refer to the lithops pruning guide for guidance. But, it is essential that you make sure the soil is completely dry before you water your plants. If you notice it early enough, you can remove the rotten foliage to stop infection.