Japanese barberry, a red-berried ornamental shrub that graces many a yard in Lancaster County, and Bradford pear trees, still celebrated for their explosion of white blossoms on Lancaster city streets ...

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 ...

This is the first installment of "Take on Invasives," a monthly series submitted by conservation-focused nonprofit Huron Pines. Articles will focus on invasive plants commonly found in Northern ...

What: Dwarf Purpleleaf Japanese Barberry, or berberis thunbergii f. atropurpurea Concorde, was selected for its small, compact size and dense growth. In spring, deep red-burgundy foliage emerges as ...

Homeowners landscaping their yards would often plant Japanese barberry because it was inexpensive, looked pretty when it flowered and grew without any help. “It’s tough to kill,” said Shane Ziegler, ...

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 ...