Aeonium arboreum

Aeonium arboreum, the tree aeonium, tree houseleek, or Irish rose, is a succulent, subtropical subshrub in the flowering plant family Crassulaceae. It is native to the hillsides of the Canary Islands, where it is known as bejeque arboreo and introduced in the Mediterranean It bears rosettes of leaves and large pyramidal panicles of bright yellow flowers in the spring. In temperate regions it needs to be grown under glass. The purple cultivar 'Zwartkop' ('Schwartzkopf') has gained the Royal Horticultural Society's Award of Garden Merit. and a variegated form is grown as cultivar 'variegatum'. The following variety names are accepted.