A deadly new oak-tree disease can be prevented by pruning them in the dormant season (if needed) instead of spring or summer.

I don't know what this is on my oak tree, but is it anything I should be concerned about? Should I spray with something?

Oak wilt is caused by the fungus Bretziella fagacearum. Once a tree is infected, the fungus may fruit, creating gray to black ...

Often trees with decaying wood in their trunks are beginning to lose strength. They can come tumbling down without warning.

The table, created from a black oak tree found buried and preserved in a ... the sense of community that we have created." Other The trunk of a giant Fenland black oak, or bog oak, was found ...