Salem crews will soon begin injecting city-owned ash trees with an insecticide to protect them from the emerald ash borer.

Scientists at RBG Kew and Queen Mary University of London have found evidence that young ash tree populations are evolving ...

Annual cold snaps have kept some invasive tree pests in check, but outbreaks could become more common with warming ...

Have you noticed discoloration on your maple tree leaves this year? You aren't the only one. Here's what you should know ...

Hands-on Tree I.D. Walk at the Arboretum: 1:30-3:30 p.m. Tuesday, June 3, Boone County Arboretum, 9190 Camp Ernst Road. Union, Shelter No. 2. Discover the diversity of trees and shrubs offering ...

Anthracnose is a common spring disease on maple trees. Several different fungi can cause the symptoms we describe as anthracnose.

The next potential threat facing Niagara County’s trees could make the jump from across the border. Trees in Canada’s Niagara Region have been infected with oak wilt, a fungal disease that means ...

About a month after the tornado hit, local tree companies are still hard at work cleaning up damage. It will take months.

The chief scientist of Botanic Gardens of Sydney has urged NSW residents to be on high alert after parts of Perth were ...