Also called Thunberg's barberry and red barberry.

Part of barberry  family Berberidaceae.

Native to eastern Asia.   🌎︎ Map by county (🇺🇸 USA-48) (colors).   Invasive > learn+quiz Invasive > 🌐︎ global Invasive > 🇨🇦+🇺🇸 Canada+USA Invasive > report it! Invasive > 🇺🇸 USA Invasive > USFS  Adobe Acrobat Reader file Invasive > Michigan on No-Plant List by Seneca Nation of Indians.  Adobe Acrobat Reader file (pages 58 and 60)

🚼︎ For kids!  This plant described in invasive species placemat  Adobe Acrobat Reader file series.   Nice drawing.  Adobe Acrobat Reader file (page 38)

In areas where Japanese barberry is invasive, it promotes in 👥︎ humans the terrible and difficult-to-treat ⚕︎ Lyme disease, for reasons having something to do with disease vectors deer  family Cervidae, white-footed deer mice  Peromyscus leucopus, black-legged deer ticks  genus Ixodes, and the Lyme disease bacterium  Borrelia burgdorferi. [1]

⚕︎ Ticks and tick-borne diseases (🇺🇸 USA CDC).

In the 🇺🇸 USA, the USDA suggests those seeking a shrub with nice fruit replace this plant with native alternatives 🍓︎ strawberry bush  Euonymus americanus, wax-myrtle  Myrica cerifera, meadowsweet  Spiraea latifolia or mapleleaf viburnum  Viburnum acerifolium. [2]

And the Lehigh Gap Nature Center suggests those seeking scented flowers and nice fall color replace this plant with native alternative Virginia sweetspire  Itea virginica. [3]  Adobe Acrobat Reader file (pages 4 and 38)

More native alternatives (Missouri Botanical Garden).

Native alternatives (Pennsylvania).  Adobe Acrobat Reader file (page 3)

And a buddy of our JG recommends alternative pricklyash  Zanthoxylum americanum.

Learn more about Japanese barberry Berberis thunbergii

Management and Control (Wisconsin)  Adobe Acrobat Reader file Best Control Practices BCP (Michigan)  Adobe Acrobat Reader file Control and Alternatives (Maryland).  Adobe Acrobat Reader file (page 4)

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