invasive

Common barberry or European barberry, Berberis vulgaris, is a non-native invasive woody shrub.  Intentionally brought to North America by early settlers in the 1600s, it has escaped cultivation and is widely distributed in the northern U.S.  Common barberry is also an alternative host for the disease, black stem rust, a severe pest of grains.  As a result, large scale eradication efforts began in the 1900's to remove this reservoir of disease.  However, populations still exist in the Great Lakes states, including Ohio, and the northeastern United...

I have noticed Japanese Knotweed (I've seen it listed as: Polygonum cuspidatum or Fallopia japonica or Reynoutria japonica) around the county the last few summers, so I chose it as Tuesday's  INVASIVE of the DAY for National Invasive Plant Awareness Week.

Japanese knotweed is a non-native erect, semi-woody perennial that can grow up to and likely beyond 10 feet tall and create dense stands when unchecked.  It was introduced, as so many invasives were, as an ornamental in the late 1800's and soon escaped the garden-scape and found its way into disturbed...