28+ Japanese Barberry

Ward and williams 2011 report that this species is established in 31 states and four canadian provinces. Plant taxonomy classifies it as berberis thunbergii.

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Japanese barberry

Center for environmental research and conservation. It has small oval shaped green leaves with smooth edges. Introduced species summary project japanese barberry.

Japanese barberry was introduced to north america as ornamental as a living fence and for wildlife and erosion control. Popular cultivars include crimson pygmy and aurea another well known species is the common barberry or european barberry berberis vulgaris. Japanese barberry berberis thunbergii a low growing 2 3 tall dense spiny shrub with small oval green leaves that turn reddish brown in fall.

These cultivars average greater than 600 seeds per plant and cannot be sold in minnesota. Invasive species berberis thunbergii japanese barberry is a spiny deciduous shrub usually 1 2 feet but can grow up to 6 feet in height. Japanese barberry is a broadleaf deciduous shrub.

Berberis thunbergii the japanese barberry thunberg s barberry or red barberry is a species of flowering plant in the barberry family berberidaceae native to japan and eastern asia though widely naturalized in china and in north america. A type with variegated leaves is berberis thunbergii var. There are japanese barberry cultivars that are mda restricted noxious weeds in minnesota.

Plants have single sharp spines at each node and small bright red oblong berries. Leaves turn red in the fall. Japanese barberry is an exotic invasive shrub that is well established in home and commercial landscapes.

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