State officials are collecting public comments on a proposal that would make it illegal to buy or sell six invasive species, ...

In fall of 2021 two popular landscape plants were added to the Pennsylvania Department of Agriculture’s list of noxious weeds: Japanese barberry (Berberis thunbergii) and Callery pear (Pyrus ...

CLEVELAND, Ohio -- On Jan. 7, Ohio joined the ranks of several other states in completely banning the sale and planting of the Callery pear tree. This tree is most easily recognizable in early spring, ...

Manzanar National Historic Site arborist Dave Goto walks among pear trees in an orchard on the former 814-acre Japanese American internment camp in Manzanar. (Brian van der Brug / Los Angeles Times) ...

Once you know what to look for, you'll probably see invasive species that threaten area forests everywhere you look. But it takes time for people to begin to recognize the spread of popular landscape ...