That's when you see it -- a tree in the middle of nowhere with a broad slash of black paint on the trunk. You don't need to imagine every horror movie involving the woods and hikers, as black ...

Landscaping under any tree can be challenging, thanks to the dense shade cast by the branches and the abundance of thick roots in the soil. But black walnut trees (Juglans nigra) seem to be in a ...

Some companies claim to sell black walnut tree clones developed at Purdue University; however, Purdue University no longer holds patent rights to these trees and cannot endorse the claims made for the ...