A beloved tree dubbed the Kissing Tree in downtown Westwood that pre-dates the Civil War was discovered to have a terminal ...

The list of diseases attacking trees in the Pacific Northwest grows every year. A pathogen new to Pierce County brings an added concern: It can injure people. A research project using citizen ...

A group of young cedar trees infected with blight - N. Mitchell/Shutterstock There's nothing quite as majestic and imposing as a fully-grown cedar tree with its broad horizontal branches and fragrant ...

Q: I have a beautiful green ash tree in my front yard and hope to keep it protected from the ash borer as long as possible, but today I noticed a lot of leaves have fallen off. There are little dark ...

A new tree disease has spread in forests in Massachusetts, joining invasive pests and climate change as top priorities for foresters to address. The state has found beech leaf disease in more than 90 ...

The list of diseases attacking trees in the Pacific Northwest grows every year. A pathogen new to Western Washington brings an added concern: It can injure people. A research project using citizen ...

We love the vibrant colors of maple trees in the fall. These deciduous beauties bring not only great color but also a recognizable leaf shape and (our favorite) whirlybird seeds that helicopter their ...