It also offers other advantages, especially to succulent plants. This range will allow the plants to sprout well. Even in the absence of rain, the plants can still flower with the water they have stored in their stems. You might even decorate the cake with succulents in place of greenery or flowers, which will also help you save money. The Wall Street Journal asked me for a piece on succulents in cold northern climates. She emphasizes the importance of good drainage, which is true for all succulents, but especially those in rainy climates.