Hawthorn is a flowering shrub indigenous to Asia, Europe, and North America. Hawthorn berries are tiny fruits that grow on trees and shrubs belonging to the Crataegus genus. The genus includes hundreds of species commonly found in Europe, North America, and Asia. Their berries are packed with nutrition and have a tart, tangy taste and mild sweetness, ranging in color from yellow to deep red to black. For centuries, hawthorn berry has been used as an herbal remedy for digestive problems, heart failure, and high blood pressure.*