It doesn't matter how pretty a container might look, if there aren't perforations, your succulent won’t be as beautiful as it looks when it arrives. It is important that all containers have drainage holes at the bottom. It is possible to keep a succulent alive in an unglazed container, but it is not recommended. The colors of individual species may intensify depending on their sun exposure. Caretakers with more experience will be able bring out the brightest colors by stressing plants.