Overall, black walnut does best in USDA hardiness zones 4 to 9, while English walnut can grow in zones 3 to 7. As the tree becomes established, consider pruning it every late summer or fall for ...

They like a bit of moisture in the soil, similar to black walnut trees, so their needs are similar, and they can tolerate and even thrive in some shade.

Missouri's tree nut industry is evolving with the introduction of "Hickman," the first patented black walnut cultivar from the University of Missouri Center for Agroforestry. A cultivar is a ...