SLOE is a type of fruit, typically found in Europe and parts of Asia. It is a small, dark purple or black berry that is used to make a variety of products, including liqueurs, jams, and jellies. The most popular use of sloe is in the production of sloe GIN, a sweet, fruity alcoholic beverage made from sloe berries, sugar, and GIN. Sloe berries are also used to flavor plums, giving them a unique, tart taste. The scientific name for sloe is Prunus spinosa, and it is a member of the rose family.