Associated Press How do I know if I have ash trees on my property?There are four species of ash native to the eastern United States white, green, black and blue. Branches and leaves always grow in ...

An invasive beetle species wreaking havoc on trees in Prince George?s County could spread to other parts of Maryland, officials said. The emerald ash borer kills ash trees by feasting on their inner ...

ST. PAUL -- With the threat of emerald ash borer potentially killing ash trees in Minnesota, homeowners must begin planning for the future and plant a more diverse selection of tree species in their ...

PORTLAND, Ore. (KOIN) – The dreaded emerald ash borer has made its way into Portland, and it poses a threat to every ash tree in the city. The invasive beetle from East Asia has already had a ...

Oregon forestry officials have collected over 900,000 seeds from a native tree species, in an effort to protect against an invasive insect. After collection, Emerald Ash seeds can last 60 to 70 years ...

Kris Dullmer of Ash Tree Solutions, right, injects an insecticide into an ash tree named Big Jim in the Catamount Community Forest to combat the emerald ash borer in Williston on Tuesday, June 25.

Traps are going up at Tulsa parks in an effort to protect Oklahoma's ash tree population from an invasive species. As people hike or bike at Turkey Mountain, Tulsa River Parks Authority said they may ...

A Cornell and Nature Conservancy 'Trees in Peril' conservation project is propagating ash trees resistant to emerald ash borer. If successful, the long-term project looks to reintroduce resistant ...

Goetze: An interesting tree of our Rolling Plains region is native to Texas, New Mexico and Oklahoma and has close relatives ...