American Plum (Pink Flowering)This American plum was first observed thriving on an old homestead in southern Alberta. Its defining features are its attractive blooms, which are tinged pink and give off a pleasant aroma when they appear in spring. As fall approaches, the foliage takes on a vivid pink red colour. Its fruits are 3 cm in size and turn deep red when ripe in early September. Grafted onto American plum seedling rootstock. Hardiness Zone: 2 Height: 4. 3 meters (14 feet)