Native to Europe and western Asia, the Hazel tree is an important component of historical field boundaries in lowland England. Common Hazel is cultivated for its nuts. Though the term “hazelnut” generally applies to any member of the Corylus family, the common hazel is by far the most popular and widely cultivated. Hazelnuts are typically eaten raw, roasted, or ground into powder. They make an excellent addition to chocolate confectionaries.