This is a common question I receive: Why are my succulents' bottom leaves turning brown? Just pour water on top of your succulent arrangement and let it sit until the water runs out. The best way to tell whether your String of Bananas are over or underwatered is by paying attention to how the leaves look. Over- or underwatering is the most common issue for succulent growers. However, there may be other problems. Echeveria minima is able to quickly produce offsets, making it the most straightforward method of propagation.