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 ...

Dear Neil: What is wrong with my live oak? I hope it’s not a disease, since I have five others in my yard ... almost ...

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

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 ... Once a tree is infected, the fungus may ...

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

The DNR said once a tree is infected, the fungus may fruit - creating distinct gray to black fungal pads under the tree’s ...

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

Often trees with decaying wood in their trunks are beginning to lose strength. They can come tumbling down without warning.

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