First of all, the fact that the prickly-pears cactus has been called a succulent makes it a very popular plant. Yes, as much as succulents are termed as hardy with a tolerance for extreme conditions, not all of them can bare the combination of frost and low temperatures. These plants are great for indoor use. They can be placed on a windowill or table with plenty of sun. Below is a summary of how to water your plant during different seasons. The Elephant Bush's morning watering prepares it for the long hours of sunshine during the day.