It also offers other advantages, especially to succulent plants. The plants will thrive in this environment. 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 to publish an article on succulents that can be used in northern climates. She emphasizes the importance for succulents to have good drainage. This applies to all succulents, but is especially true for those in rainy areas.