I have a small pin oak tree that is turning black for a few feet at the base of the trunk. The bark looks open, and yellow jackets and other insects are flying around it.

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.

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.

Burls that form on tree trunks are the most obvious, however burls can also form on roots where they remain hidden. Either way, above or below ground, burls have bark covering them.

Squirrels chewing bark on oak, maple trees. ... You can put hardware cloth or chicken wire around the trunk of the tree to prevent ... Using black plastic mulch on the soil around peppers ...

The trunk of a giant oak tree, thought by experts to be more than 5,000 years old, has been unearthed in a field in Norfolk. The 44ft (13.4m) Fenland Black Oak, or bog oak, was found buried in ...

The names of these tree-destroying beetles are ominous enough — goldspotted oak borer and invasive shothole borer — but the real nightmare is what they’re doing to our urban trees.

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 ...

The trunk of a giant oak tree, thought by experts to be more than 5,000 years old, has been unearthed in a field in Norfolk. The 44ft (13.4m) Fenland Black Oak, or bog oak, was found buried in ...