Information About Walnuts Tree most popular in the world :Walnut tree is the one most tree popular in the world. In Central Asia and South East we can found walnut tree. Grow up to 100 feet tall and up to 40 feet spread. If you visit United Kingdom walnut tree many found in home garden. So,if you want use walnut tree you must visit several country. This is a picture about Walnut Tree for you.