University of Missouri Extension has a free program to identify oak tree diseases affecting trees across Missouri. See how to ...

Q: The leaves on my newly planted oak tree have numerous holes, and the edges of the leaf are missing. I do not see any insects, but I am worried about the tree. Most of the tree is like this. A: Oaks ...

Waiting until the leaves drop in fall is a rule of thumb for pruning shade trees, mainly because you can see bare limbs better, and the job is less “messy” without leaves attached to the cut branches.

MU’s Plant Diagnostic Clinic and Missouri Dept. of Conservation continue free testing for common oak diseases, including oak ...

Q: I don't know what this is on my oak tree, but is it anything I should be concerned about (see reader's photo)? Should I spray with something? A: Unfortunately, I suspect your tree has hypoxylon ...

Oak trees produce acorns in abundance every few years in a process known as mast seeding. Two years later, Lyme disease follows like clockwork. As hikers return to lush trails each summer, ready to ...

What Austin, TX Homeowners Need to Know About Oak Wilt and Safe Tree Pruning Season Austin, United States - July 2, ...

When Illinois landowners noticed tree deaths and diseases on their properties ramp up in 2017, they suspected industrial agriculture. A survey found herbicides in 90 percent of tree tissues Christian ...