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

Some lawn maintenance is recommended now that the leaves have fallen.Experts explained why this is the best time of year to ...

Oak wilt is usually first identified when green leaves turn yellow or brown on the edges and begin to drop during the summer.

Additionally, infected oaks can spread the disease to other trees through underground root connections or grafts, creating an ...

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?

Q: One of my five oak trees is having this problem and I’m wondering what I should do. I hope it’s not a disease that could ...

A UC Berkeley-led citizen science project has discovered at least four outbreaks of a new, potentially more aggressive form ...

More common ailments to look for include anthracnose, most common on dogwoods. Anthracnose impacts forest edge trees that can ...

From now through the end of December is the time of year to inspect your trees for Sudden Oak Death. The mold pathogen that causes Sudden Oak Death, phytophthora ramorum, is most active during wet ...

What is wrong with my live oak? I hope it’s not a disease, since I have five others in my yard, and I don’t want it to spread ...

Bradford pears have notoriously weak crotches (branch angles). Think of your index and middle fingers forming a “V” for ...