Q: I recently noticed a black, tar-like patch on my tree trunk, though it’s not tacky like actual tar. Are these insect eggs? Dried sap? Do I try to scrape it off? The tree has lichen but I don ...

A towering Black Oak tree looms dangerously close to a home, ... With calculated precision, the heavy branches and trunk are brought down in a controlled manner to ensure safety.

Use leaves, bark, and habitat to identify the black oak tree. Learn about this tree's identifying characteristics, where to find it, and more.

Santa Clarita Valley oak trees are being invaded by the goldspotted oak borer; ... There would also be staining on the bark, which looks like black discolored drips coming down the trunk.

A deadly new oak-tree disease can be prevented by ... and reddish brown to black in ... advised because oak roots will push their nutrients to any trees they’re grafted to when the trunk is ...

black, branched trellises on the cut face of wood; MOB create tiny, perfectly round entrance holes; Mediterranean Oak Borers have also been reported in elm, maple, and walnut trees, “although ...

Learn how to control live oak sprouts, handle acorn crops, and protect young shade trees from mower and deer damage. San Antonio Express-News Hearst Newspapers Logo Skip to main content ...

In the white sunset, the mosses and lichens that clothe the bark of the trunk gain a subtle beauty; more than 700 different lichens inhabit the oak’s rough tessellated bark; the most conspicuous of ...

On the pin oak, the alternately held leaves typically have less lobes than other members of the red/black oak group. In the fall, leaves change from medium green to a red to reddish brown color. One ...