Red haw is a common name given to a tree with red fruits. The tree is also known as Crataegus pentagyna, scarlet hawthorn, or thornapple. Red haws are small, round, and often used in jams and jellies. Synonyms for red haws include mountain haw, downy hawthorn, Washington hawthorn, and cockspur hawthorn. These trees are native to many parts of North America and Europe and are often used as ornamental plants. Red haw trees are typically small and have a rounded growth habit, making them suitable for landscaping and urban planting. These trees are also a favorite of wildlife, including birds, who feed on the fruit.