My Japanese magnolias have this horrible disease that causes tan-colored growths that look like boils on the branches and attract flies. A black mildew is on the leaves, and the leaves eventually die.

Many Australian birds and animals rely on hollows in grand old trees. As these trees dwindle, researchers are experimenting ...

Urban trees are essential to the health of cities and their residents: they cool neighborhoods, filter pollution from the air ...

Rapid height growth may positively influence fiber length in Swedish spruce wood. A case study investigated wood samples from ...

The plastic needles on your next artificial Christmas tree may actually be plant-based — although not as plant-based as a real tree, of course. Balsam Brands, the company that makes the Balsam Fir ...

The findings suggest that the mature Amazon rainforest has, so far, avoided the worst impacts of climate change, although the ...

The initiative will include several Los Angeles area schools that will work together to plant more than 5,000 trees over the ...

The project allowed for some experimentation with different species than those usually considered in Mizzou’s landscapes.

A lightning-sparked wildfire in California’s Sierra National Forest burned Tuesday through a grove of giant sequoias and set some of the ancient towering trees on fire. Wildland firefighters with tree ...

An invasive, tree-killing pest has made its way to Portland, spelling trouble for the many ash trees that cool residential neighborhoods on hot summer days. On Wednesday, Oregon forestry officials ...

Ottawa's first ever "tree equity analysis" has identified eight neighbourhoods where more greenery is urgently needed, and one councillor whose ward's been flagged says it will help focus the city's ...