Q • My oak trees have more large galls than I’ve ever seen on them, and I’m worried about their health. What can I do about ...

I noticed a lot of small twigs with leaves on them under my oak tree and became concerned about the oak. It is a large, ...

UC Santa Cruz tree worker Isaac Estrada works high above McLaughlin Drive next to the Core West Parking Structure as the UCSC ...

The children were part of the Capitol Junior Rangers program, a statewide initiative for children aged 7 to 12 to learn about ...

The discovery of Mediterranean oak borers in Novato has prompted an alert by the county agriculture department.

Have you noticed discoloration on your maple tree leaves this year? You aren't the only one. Here's what you should know ...

The species can also harm trees by infecting them with pathogens from the fungus they carry and feed upon. Infestation can spread to a tree’s trunk and ultimately kill the plant, the county said.

The other gall I found, which was on a different tree, was an oak leaf pocket gall. This gall is produced by a one-eight-inch-long fly, or midge, called Macrodiplesis quercusoroca.

Beaumont addresses concerns over oak trees in Old Town By Bianca Thomas, Staff writer June 10, 2025 ...

Timberman Ridge MetroPark in Ross Twp. has seen a lot of change over the past few years, namely over a thousand native trees ...

Placer County, CA, adds 264 acres to its conservation program, expanding habitat protection for special status wildlife ...

A bill that would ban the sale of certain types of invasive plants in Missouri awaits the governor’s signature. And the ...