Is Oregon Grape Invasive

While Mahonia aquifolium, or Oregon grape holly, is an American native that grows in the western part of our country, Mahonia bealei, or leatherleaf mahonia, is a Chinese import that has naturalized throughout the southeastern states and is now considered an invasive.

Is the Oregon grape native to Oregon?

Oregon Grape, Berberis aquifolium. Berberis aquifolium is a species of flowering plant in the family Berberidaceae, native to western North America. It is the state flower of Oregon.

Is mahonia an invasive plant?

Invasive plant species are non-native species whose introduction is likely to cause economic or environmental harm. They often crowd out native plant species. Leatherleaf mahonia is a Chinese import, has naturalized throughout the southeastern U.S., and is now considered invasive.