If the succulent is allowed to dry out or gets wet, it will turn mushy. If you're a planner you might draw a sketch of how you would like your garden to look. Even clones might look different under different conditions and at different times. Commonly known as "Houseleek", it refers specifically to species that have grown on roofs across Europe. "Liveforever", however comes from their generic name and is a reference to their toughness and endurance. The common name of "Hen and Chicks", which is shared with Echeveria-related plants, is also called "Hen and Chicks".