Santa Clarita Valley oak trees are being invaded by the goldspotted oak borer; an insect named for its iridescent black shell ...

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 ...

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 ...

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

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

Oak wilt is a fungal disease that can weaken white oaks and kill ... and northern pin oak. Trees in the white oak group have ...

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

Royer Vineyard is best known for: growing some of the best white wine grapes in Oregon, with an emphasis on chardonnay. The ...

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

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

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 ...

They all had their leaves, unlike the taller broad, leaved trees deeper in the forest. Why? According to the Pennsylvania ...