Prunus americana
American Plum
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American Plum (Prunus americana) - Description
Prunus americana, commonly called the American plum, wild plum, or Marshall's large yellow sweet plum, is a species of Prunus native to North America from Saskatchewan to New Mexico east to New Hampshire and Florida. It has often been planted outside its core range and sometimes escapes cultivation. It is commonly confused with the Canada plum (Prunus nigra), although the fruit is smaller and rounder and bright red as opposed to yellow. Many cultivated varieties have been derived from this species. It forms an excellent stock upon which to graft the domestic plum.
American Plum (Prunus americana) - Blooming
Five petaled (or double) pink or white flowers, often borne in large rounded or elongated clusters followed by ovoid fruits.
American Plum (Prunus americana) - Growth
Many species of deciduous and evergreen trees and shrubs. Used as ornamental and for fruit. Alternate, pointed, oval leaves.Evergreen species grow best in full sun or partial shade. Deciduous plants enjoy full sun. Plants are often short-lived.Bushy species, like P. laurocerastus and P. lusitanica, work well for screening or as groundcovers. Other species, including P. cerasifera, P. incisa, and P. spinosa make good hedges. Shrubs make nice additions to a shrub border or wall.
American Plum (Prunus americana) - Planting
Sow seeds outdoors in fall, in containers. Propagate deciduous species from greenwood cuttings in summer. Evergreens can be propagated from semi-ripe cuttings in midsummer.
American Plum (Prunus americana) - Pest
Leaf hoppers, nematode, scale insects, caterpillars, borers, aphids, and eriophyid mites. Other issues include powdery mildew, leaf curl, lesions, fireblight, mushroom root rot, canker, crown gall, and mosaic and ringspot viruses.
American Plum (Prunus americana) - Interesting facts
P. americana, P. maritima, and P. tomentosa produce fruits that are the most consumed. Some species' leaves and fruits are poisonous to humans and can cause serious stomach pain when ingested.
American Plum (Prunus americana) - Soil and irrigation
Adaptable to moist soils as long as they are well-drained. P. laurocerastus can become chlorotic in shallow, alkilinated soils.
