The Maryland Department of Agriculture announced there are worsening conditions of beech leaf disease in the state.

What can you learn from a tree's leaves? Discover how leaf shapes, edges, patterns, and more can help you identify a tree in the forest.

Beech Leaf Disease, caused by foliar nematodes, is devastating beech trees in Oakland Forest and other areas. A research study is underway to test treatments, including fungicide injections and ...

In a Swiss pine forest, the treetops are being sprayed with mist in a bid to discover the effect that drier or wetter air has ...

An apple may not fall far from the tree, but for a leaf, it depends on its shape. Elm or apple leaves — oval and symmetrical, with few protruding lobes — fall quickly, making them likely to ...

In Los Angeles, sidewalk trees are public property-until the city's short-term care ends and the burden quietly shifts to nearby homeowners. LOS ANGELES - When a tree is planted on city or ...

New research reveals that thunderstorms - not just drought or heat - are a major cause of rising tree deaths in tropical ...

Unfortunately, there is a substantial threat to this tree that spans across the eastern United States — beech leaf disease ...

Trees in tropical forests are dying at an increased rate, with consequences for biodiversity, carbon storage, and the global ...

We also noticed a 3-foot-tall shagbark hickory that was holding onto its leaves, which can occur in younger trees. My sister’s Japanese maple is awash with brown curly leaves, even in February.

A few weeks ago a reader suggested I write about beech leaf disease, but I said it wasn’t that big a deal. Then I went for a ...

Spruce trees that experienced long-term droughts were more resistant to future ones, while pines acclimatized to wet periods were more vulnerable.