Prunus maritima, commonly known as beach plum, is a small shrub that grows in sandy soil along the eastern coast of North America. This plant is cherished by many for its edible fruit, which is tart and sweet and commonly used in jams and jellies. Although beach plum is the most popular name for Prunus maritima, this shrub goes by several other names as well. These include seaside plum, dune plum, sand plum, and coastal plum. The various synonyms for Prunus maritima reflect the plant's preferred growing conditions and its proximity to the ocean. Whether you call it a beach plum or a seaside plum, its delicious fruit is sure to delight.