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 a fungal disease that can weaken white oaks and kill red oak trees within just a few weeks. The fungus enters the tree through wounds that are often caused by pruning or storms.

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 ...

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

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 ...

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

If there is one certainty for all humans, it’s that we are drawn to natural elements.

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 ...

When choosing a large shade tree, one must always deal with a conundrum – there is an inverse relationship between the ...