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 ...

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

The Michigan Department of Agriculture & Rural Development (MDARD) could prohibit or restrict several invasive plant species, ...

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 ...

As an urban landscaping option, a certain ornamental, flowering pear tree might be nice and compact — even with a bit of an odorous downside. After some unfortunate cross-breeding between varieties, ...

The Bradford pear tree, with its fluffy white early-spring blossoms, is a looker. Even the tree's putrid aroma emitted at full-bloom hasn't kept it from becoming a go-to ornamental option for ...