Santa Clarita Valley oak trees are being invaded by the goldspotted oak borer; an insect named for its iridescent black shell with gold spots that burrows underneath the bark of oak trees.

It is easy to take these trees for granted but they are teeming with biodiversity and are an integral part of Houston's ...

Last but not least, the cork oak (Quercus suber) is noteworthy due to its spongy, hydrophobic bark. To appreciate this evergreen tree, observe a row of them growing along the west side of the Van Nuys ...

inner bark is light red. The northern red oak (Quercus rubra) is a medium sized tree that grows up to 90 feet, is native to North America, and is moderately tolerant. It can be found all throughout ...

Sometimes characterized by browning or golden leaves at the top of the tree and a dark bluish-gray discoloration in the bark, oak wilt kills thousands of trees each year, and the disease is present in ...

The bark is dark gray and blocky, with long running ridges. Shingle oak tends to keep its lower dead limbs attached to the tree. The fruit is a small, rounded acorn with a thin cap that covers a third ...

Last but not least, the cork oak (Quercus suber) is noteworthy due to its spongy, hydrophobic bark. To appreciate this evergreen tree, observe a row of them growing along the west side of the Van ...