In this episode of ID That Tree, Purdue Extension forester Lenny Farlee introduces the Black Ash. This species is typically found in wetland environments within Indiana and the North Woods of Northern ...

They’re flashy, they’re hungry, they’re relentless, and they’re here. The long-expected, long-dreaded arrival of emerald ash borers in Mankato was officially verified in December. When they finish ...

This mean, green, tree-destroying machine might be coming to your area — if it isn't already there. The emerald ash borer, native to Asia, was first spotted in the U.S. near Detroit in 2002. It's ...

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 ...