To walk down a street in a town like Midland, Mich., these days is to witness mass carnage — ash trees, long a favorite of city arborists for their tall silhouettes and abundant foliage, have been cut ...

Purdue Landscape Report: Recently, there has been an uptick in questions related to one of Indiana’s most notorious invasive pests: the emerald ash borer. Homeowners, businesses, even professionals ...

Trees are nearly always selected for their flowers, foliage, or form. Yet, at this time of year, there is an often overlooked arboreal feature that may achieve sudden prominence in the garden. In ...

This non-native beetle kills ash trees by feeding on the layer beneath the bark, cutting off water and nutrients. Approximately one-third of the trees in Fort Collins are ash trees, making the city's ...

The Emerald Ash Borer, an invasive species of bark beetle that was discovered in Colorado in 2013 and has been expanding through the state, has the potential to damage the Colorado landscape. And ...