In this article, we will explore 19 types of walnut trees, complete with pictures and identification tips to help you distinguish between the different varieties. Walnut Trees are a fantastic tree species that belong to the family of Juglandaceae. They are huge, deciduous trees that look beautiful in landscapes and provide delicious nuts. Walnut Trees come in different sizes, and each type has different characteristics. If you would like to plant a walnut tree or just know more about the available varieties, this is the place to be. We will provide you with a list of some of the most popular walnut trees, along with their unique features. Walnuts are popularly known as “ akhroot or akhrot ” in India and they are grown in the northwestern Himalayan belt, expanding up to Sikkim & Darjeeling. In India, commercial farming of walnut is limited and mainly cultivated in Jammu & Kashmir, Uttarakhand, Himachal Pradesh and Arunachal Pradesh. Walnut trees are more than just their delicious nuts. They also sport an amazing tree profile especially for their shade spread and their ornamental value.