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

There's nothing quite as majestic and imposing as a fully-grown cedar tree with its broad horizontal branches and fragrant ...

Beech leaf disease, a slow but steady killer of large numbers of beeches, has spread from Ohio, where it was first identified ...

An invasive fungal plant disease has been discovered on Long Island, its first appearance outside the South, the state ...

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 ...