Ash leaves are turning purple and yellow now, gardening season is winding down, and the aphids are back. While enjoying the spectacular fall color this year, you may have noticed tiny, powdery-blue, ...

Add Yahoo as a preferred source to see more of our stories on Google. Ash trees growing in Sioux Falls boulevards are being marked with blue 9s by the city of Sioux Falls. City Hall's forestry ...

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 ...

Throughout this month, K-State’s Division of Facilities will continue removing trees on campus to prevent infestations of ...

… but our independent journalism isn’t free to produce. Help us keep it this way with a tax-deductible donation today. In 2009, an invasive tree pest was discovered on an ash tree in St. Paul. This ...

An emerald ash borer in the adult beetle stage emerges from the bark of an ash tree. Beetles lay their eggs under the bark, and the larvae cause damage to the tree and eventually kill it. S-shaped ...