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

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

Oak wilt is caused by the fungus Bretziella fagacearum and it will kill oak trees, especially trees in the red oak family, ...

Q: One of my five oak ... tree service specialist who is a member of the International Society of Arboriculture. He or she ...

The Skipinnish Oak, for instance, hosts diverse lichens such as the rare black-eyed Susan ... Holker Hall for around 400 ...

Conditions are quite different today as I step into the early November woods for a walk. With the leaf drop and the not-yet snow cover, the forest is very open, and I see plenty of things that were ...

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

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?

The tree’s fragrant bark also attracts wildlife. Black bears ... soil in full sun encourages most oak trees to grow quickly to their full potential. Sassafras trees naturally produce many suckers.

Do you know of a downed tree that's 30 feet tall and has a trunk diameter of about two feet? Black locust would be ideal, but ...

The laypeople name for this tree that's been dripping excessive sap: cork oak. The tree ... "Just like people do [but] through the trunk," Crawford said, noting that the secreted material is ...

Purdue Landscape Report: Inonotus dryadeus is one of the more common wood decay fungi we receive at the diagnostic lab in association with declining trees, specifically oaks. Inonotus is found so ...