how fast do english walnut trees grow
Black Walnut. The black walnut tree (Juglans nigra) has a mature height of 50 to 75 feet and can grow in hardiness zones 4 to 9.As a medium grower, this type of walnut averages 12 to 24 inches of new growth per year.arpathian English Walnut. The Carpathian English walnut (Juglans regia 'Carpathian') grows in hardiness zones 5 to 9. It has a faster annual growth rate of 25 inches per year, but only reaches 40 to 60 feet in height.