Hawthorn berries are small, red or orange fruits that grow on the hawthorn tree, a member of the Crataegus genus. These berries typically ripen in late summer to fall and are known for their tart flavor. They are often used in jams, jellies, and herbal remedies due to their potential health benefits. Rich in antioxidants, hawthorn berries are believed to support heart health and improve circulation. They contain vitamins and minerals, including vitamin C and flavonoids. In traditional medicine, they have been used to treat various ailments, particularly those related to the cardiovascular system.