Purple leaf plum - Prunus cerasifera 'Krauter Vesuvius'Prunus cerasifera 'Krauter Vesuvius' This Vesuvius is a kinder, gentler volcano, its first name being the last name of its breeder. It spouts a flow of fragrant pale pink flowers in spring, followed by an eruption of dark red leaves which deepen to purple and hold that color throughout summer and autumn. Hardy in USDA zones 4 9 and deer resistant, the deciduous tree tops out at about 20 feet in both height and width. Also known as cherry or myrobalan