Emerald ash borer confirmed in Robertson County, Tennessee, threatens ash trees. Learn symptoms, prevention tips and how landowners can report infestations.

Not all trees drop their leaves in the fall. Even in the height of winter, a curious number of oak and beech trees refuse to ...

When we see strange-looking growths on our trees, our first instinct is to panic. Is there something wrong? Is it a disease?

Some trees and shrubs have a bad reputation for being susceptible to diseases: lilacs to powdery mildew, junipers to juniper ...

Lichens survive in a very wide range of habitats worldwide. Amazingly, more than 400 species can be found in Maryland.

It's not unusual to spot markings on trees while walking through wooded areas, but one color in particular may catch your eye ...

As winter’s chill recedes and spring begins to emerge, many gardeners across North America find themselves assessing the damage inflicted by late-season freezes.

A two-part workshop on winter tree identification is scheduled for Feb. 12 and Feb. 14 at Spring Mill State Park. The ...

After the fatal landslides at Mount Maunganui, attention has focused on recent tree removal from Mauao. But landslides rarely ...

When you’re watching for this songbird, look out below. The Eastern towhee spends most of its time on the ground, whether ...