I have a large, mature water oak growing in my yard that has me concerned. There is a large cavity in the trunk. I’m not sure if I should fill this up with something like concrete. Also, I have ...

Oak trees are a vital part of both urban neighborhoods and natural ecosystems. Experts issue warning as hidden pathogen ...

When not managed, it can continue to spread or move out across an oak-dominated landscape, park or woodlot. The fungus invades the sapwood, which is the water-conducting tissue of the tree.

Oak wilt is a fungus that will get into the tree. It blocks the flow of water and nutrients to the upper canopy, and the tree can sometimes die quickly and sometimes die very slowly. A lot of it ...

Q: I’m starting to worry about my oak trees during this drought. We’ve already had to lower the pump in our well, so we are trying to conserve water. What is the best way to keep them alive?

Oak wilt involves a fungus that permeates and disables a tree’s water conducting system; while all oak trees can be infected by the fungus, some species are more susceptible than others.

She stepped carefully, watching out for exposed tree roots and a chunk of sidewalk those roots had upended. The branches of an old live oak stretched overhead. In recent months, her water bill had ...

KNOXVILLE, Tenn. — Arborists are hard at work trying to save a water oak tree that sits in the meadow of Lakeshore Park. According to Lakeshore, Knoxville's Urban Foresters are trimming the tree ...