It is also great for succulent plants. They will be able to grow well within this range. Even when there is insufficient rainfall, they will use the water stored in their stems to flower. The cake can even be decorated with succulents instead of greenery and flowers. This will save you money. The Wall Street Journal asked for me to write an article about succulents for northern climates. She emphasizes the importance of good drainage, which is true for all succulents, but especially those in rainy climates.