Neighborhoods and trails are filled with trees that have been marked in one way or another. This is what it means if you see ...

American elm trees are being feasted on by larvae of the larger elm leaf beetle, Slye said. This native half-inch beetle has blueish-black stripes across its orange back and its larvae have a ...

Q–I am concerned about my elm tree because it is dropping its leaves prematurely. The leaves are yellowed and covered with distinct black, tarlike spots. Could this be Dutch elm disease?

Purdue Landscape Report: We have received a few elm tree samples this year with a disease we do not often see, but which is relatively common: black spot of elm.This disease, also called elm ...

Black Spruce has a bluish cast to the newest needle growth. It has single needles attached to the twigs that are typically less than an inch ... (FNR) YouTube Channel (Invasive White Mulberry, ...

Black Gum. This is a slow-growing, deciduous tree that can be found in varying locations – low wet woods, bottomlands and ponds but also dry, rocky, wooded areas and ravines.

The European elm flea weevil is an aesthetic nuisance rather than a threat to trees, extension agent Bob Neier said Monday. So treatment isn’t necessary for the health of a tree.

Bismarck's Forestry Division is beginning its battle against the European elm scale. The insect feeds on elm trees by sucking sap from branches and leaves. Heavy infestations can cause stunted ...