No matter how gorgeous a container may be, succulents will not thrive if they don't have perforations. It is crucial that your containers have enough drainage holes at bottom. It's possible to keep a succulent hydrated in a container without drainage holes. However, it is not advised. Whatever the color of the individual species, the colors may also intensify with sun stress. The most vibrant colors will come out of plants that have been stressed a lot. You should take the time to find out about the requirements of each plant, and then match those requirements with your landscape.