It needs to be pruned. – black cherry Subordinate Taxa. Single pink flowers make a spectacular display in spring and the purple foliage a … Black knot is a common disease in Ohio on wild plums and cherries and in home orchards where pruning and spraying are not regularly practiced. One of the best colour-contrast plants for the garden, this large deciduous shrub produces dense, black-purple foliage throughout summer and autumn. Grown for the foliage and the flowers, this cultivar produces attractive dark purple-red leaves and stems. Many Prunus trees tolerate black knot. Figure 1. The tough and beautiful Prunus cerasifera Nigra, also known as the purple or black cherry plum, is a famous inner city choice, with its reliability in poor soils, spectacular spring blossom and great foliage colour.It's one of the first … The disease becomes progressively worse during each growing season and … Purple leaf cherry plum Standard Trees . Hard, black galls caused by the black rot fungus on plum twigs. Black knot of plums and cherries is a widespread and serious disease throughout the United States. Black Cherry Plum This is a beautiful ornamental, flowering plum with very dark purple summer foliage. Noteworthy Characteristics.   Prunus cerasifera 'Nigra' is a deciduous tree cultivar from the Rosaceae family. Black knot is a common fungal disease of Prunus trees including ornamental, edible, and native plum and cherry trees. It has an upright habit and forms a rounded shape. Prunus L. – plum Species: Prunus serotina Ehrh. Molecules. In spring it has dainty, pale pink blossoms. The ideal conditions for Black Cherry growth vary by regional populations, but all varieties are fast-growing pioneers that prefer well-drained soils. Common: Black cherry plum Zones: 4-9 Height/Spread: 15-20 feet/15-20 feet Bloom: April Exposure: Full sun Soil: Clay, loam, or sandy; moderately fertile; well drained Water: Medium Problems: Susceptible to aphids, caterpillars, leaf-mining moths, bullfinches, silver leaf, bacterial canker, and blossom wilt Other: Occasionally produces red or yellow plums The ... black cherry. Nutraceutical value of black cherry Prunus serotina Ehrh. Black Cherry Plum Overview. This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Hard swollen black galls (tumor like growths) form on branches and occasionally on trunks. View abstract. Family: Rosaceae Botanical Pronunciation: PROO-nus sair-ah-SIH-fer-uh P. cerasifera ‘Vesuvius’ (red-leaf cherry plum) has wine-red leaves and bears large, pale pink flowers. Origin, history, and uses: Prunus serotina grows abundantly in North America. 2013 Nov 25;18(12):14597-612. doi: 10.3390/molecules181214597. fruits: antioxidant and antihypertensive properties. Prunus serotina, commonly called black cherry, wild cherry or wild rum cherry, is native to eastern North America, Mexico and Central America.In Missouri, it typically occurs in both lowland and upland woods and along streams throughout the state (Steyermark). The following species and their cultivars can get black knot: American plum (Prunus americana), European plum (Prunus domestica), Japanese plum (Prunus salicina), sweet cherry (Prunus avium) and Mahaleb cherry (Prunus mahaleb), as well as wild and cultivated species of chokecherries (Prunus virginiana). Prunus cerasifera ‘Nigra’. Cherry plums are a good source of potassium, calcium, phosphate, vitamin C and B complex vitamins which have a great importance to the process of metabolism and nervous system health. 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