Tackling invasive mile-a-minute manually, chemically, and with the help of the weevil.

Early detection and rapid response of invasive plants is critical for limiting their negative impacts.

The invasive Japanese barberry isn’t attracting another invasive pest, but a pest that many Pennsylvanians try to avoid -- ticks.

Pennsylvania's state tree, the eastern hemlock, is seriously threatened by the invasive hemlock woolly adelgid.

New invasive species are expected to move into the commonwealth, and those already here could increase due to changing climate.

We're always on the lookout for invasive plant species that are up-and-coming threats. Check out these emerging species of concern.