The seasons are changing from fall to winter, and one of the major changes to the environment is that the deciduous trees have lost their leaves. Evergreen trees may still have green needles, but all ...

As Colorado experiences its signature whiplash weather, arborists are warning that stressed trees are more vulnerable to pests and diseases. Peel back the bark, and you may find a predator in your ...

Here in New England, the pine bark beetle also seems to be causing more tree deaths than previously, and ecologists have ...

The list of diseases attacking trees in the Pacific Northwest grows every year. A pathogen new to Pierce County brings an added concern: It can injure people. A research project using citizen ...

The list of diseases attacking trees in the Pacific Northwest grows every year. A pathogen new to Western Washington brings an added concern: It can injure people. A research project using citizen ...

If you’ve ever planted a young tree, you know how much care they need, especially when cold weather rolls in. Winter brings ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Conifer forests across Europe are under siege from a tiny threat ...

The blackish trunks on the crapemyrtles around town are caused by an insect known as crapemyrtle bark scale. It doesn’t kill the trees, but it does make them unsightly and less vigorous. This scale is ...

Bark beetles may use receptors in their antennae to detect and feast on fungus-infected trees. The Eurasian spruce bark beetle (Ips typographus) – found in Europe, Asia and some parts of Africa – ...

Q: We have a problem with our lone Japanese Maple tree in our front flower bed. We think it has a fungus, and we're not really sure if we can do anything to save it. We noticed it a couple of months ...

Question: Green mold has started to grow on the trunks of several different trees in my yard. Some of the trees have dead branches and I am wondering if the moss growth is slowly killing the trees?