The Hazelnut tree, also known as the filbert tree, is a popular nut-bearing tree that serves as an important source of food for both wildlife and humans. Apart from these two most widely used names, this tree species has many other synonyms, including cobnut, hazelbert, avellana, and Lombardy nut. It is a deciduous tree, meaning it sheds its leaves annually and prefers a temperate climate. The Hazelnut tree has been grown for several thousand years for its nuts, which are high in healthy nutrients and antioxidants. Whether you call it a Hazelnut tree or a filbert tree, this species undoubtedly adds beauty and value to any landscape.