Dwarf Aeonium Aeonium sedifolium is a succulent shrub that reaches only 40 centimeters in height. Description Popular name(s): Dwarf Aeonium, Tree Houseleek Botanical name: Aeonium sedifolium Family: Crassulaceae Origin: Spain (La Gomera, La Palma, Tenerife) Height: 20 to 40 centimeters USDA zone: 12 (50 F/10 °C)