Native to the Canary Islands, Madiera, Morocco, West Africa and Arabia.
A small but interesting and diverse genus of plants, very drought hardy and quite cold tolerant. They range in size from miniatures several cm in diameter to giants half a metre wide and up to 2 meters tall.
This one here that I am growing currently, has the one rosette of 14 cm diameter on a single short stem.
''Aeonium arboreum'', the tree aeonium, tree houseleek, or Irish rose, is a succulent, subtropical subshrub in the flowering plant family Crassulaceae.