the eastern American black walnut tree (Juglans nigra) grows in Hardiness Zones 4-9, where it produces nuts with a rich, ...

The American black walnut (Juglan nigra) is a tree native to North America and its hard-to-crack but flavorful and nutritious ...

Black walnut is the most valuable individual tree in Indiana based solely on the dollar value of the wood produced. This is primarily due to the very high value of walnut veneer; but considerable ...

like the Northern California black walnut. In wild species, the ratio of male-first to female-first trees is almost 1:1. Groh and his doctoral advisor, Professor Graham Coop of the Department of ...