All Succulents Leaf & Clay Cracked leaves (edema) on succulents are usually caused by overwatering, which can cause the leaf cells to rupture. The spots won't spread and aren't harmful to the plant, but they can affect Echeveria agavoides 'Red Tip' (2" Pot) Little Prince of Oregon Nursery Shark Fin Snake Plant Whale Fin Sanseveria masoniana 5" Pot Collector's Pothos Poisoning in Dogs Symptoms, Causes, Diagnosis, Treatment, Recovery, Management, Cost