Knowing a tree’s species is key to understanding their proper growing conditions, how to prune them and what insect and ...

This leaf disease has been firmly established in Massachusetts, Rhode Island, and Connecticut and has spread north into New ...

There's nothing quite as majestic and imposing as a fully-grown cedar tree with its broad horizontal branches and fragrant evergreen needles in delightful shades of green and blue. Thanks to its ...

An invasive fungal plant disease has been discovered on Long Island, its first appearance outside the South, the state Department of Environmental Conservation announced on Tuesday. Laurel wilt causes ...

With the help of a new grant, a team of researchers at the University of Minnesota researchers are studying oak wilt, an invasive fungus that is threatening Minnesota’s oak tree population. Sometimes ...

OAKLAND (KPIX 5) -- There's new color in the East Bay Hills but they are not fall colors. The changing leaves may be the result of a mysterious and deadly tree fungus attacking acacia trees all across ...

The giant chestnut tree, growing in place for hundreds of years, would have been impossible to miss. Its leaves were glossy and dark green, its bark riven like a mountain range seen from above. The ...