Trees add beauty, shade, and value to a property, but they also require proper care to thrive. Pests and diseases are two major threats to tree health, and if left untreated, they can weaken or even ...

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

Oak Origins: From Acorns to Species and the Tree of Life by Andrew L. Hipp. Illustrated by Rachel D. Davis. University of ...

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 ...

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

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 ...

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

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 ...