Some trees and shrubs have a bad reputation for being susceptible to diseases: lilacs to powdery mildew, junipers to juniper tip blight, flowering crabapples to apple scab, elms to Dutch elm ...

The emerald ash borer is an invasive beetle wreaking havoc on America's ash trees. We explain how it got here and how it is being tackled.

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

Exploding trees may be taking over your social media feed, but a local gardening expert says you are unlikely to see them in ...

When temperatures plunge and the air goes painfully still, people in northern forests sometimes hear a sharp crack that ...

Changing temperatures ranging from mild to extreme cold can take a heavy toll on a lot of things during the winter and spring ...

If you spot tiny holes and piles of sawdust on your tree, bark beetles could be the culprit. Unfortunately, the solution ...

American beeches have been suffering recently from a disease widespread in both Connecticut landscapes and forests.

As extreme cold temperatures continue to rock states across the country, like North Dakota, videos of “exploding trees” have popped up all over social media. But ...

Exploding trees? Extreme cold snaps in Chicago can cause trees to crack and burst from freezing stress. Tree experts explain ...

Effective pruning also maintains a healthy and vibrant tree, boosts fruit production, and protects against pests and diseases ...

Tree sap is mostly water with sugars and minerals, and like many liquids, it expands when it freezes. Gradual freezes usually ...