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 ...

The winter months are the ideal time to prune oak trees in Michigan if you don’t want to put them at high risk for oak wilt. Oak wilt is a fungal disease that can weaken white oaks and kill red ...

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 ...

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

The tree disease that exploded in Bay Area forests three decades ago, stunning residents with vast die-offs in parks and neighborhoods before slowing, has opened a new front with a second, potentially ...

In the Midwest, sharing firewood is common. If someone cuts down a tree, they often offer the extra firewood to friends.

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

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 ...

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