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August 29, 2014
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Plants behaving badly; Love that ‘ornamental’ plant? Not so fast, please

Japanese knotweed has hollow, bamboo-like stems; green, broadly egg-shaped leaves; and greenish white flowers in slender fingerlike clusters where the leaves meet the branches. It can grow to be up to 10 feet tall. Knotweed is native of eastern Asia and was introduced to North America in the late 1800s as an ornamental plant.


[Special thanks to Jamie Myers and the NPS for service above and beyond the call of duty. Jamie has considerable experience combating invasive plant species growing along the Upper Delaware, specifically Japanese knotweed and purple loosestrife. Providing guidance and resources to private property owners and community groups alike, Jamie has served on the steering committee for the Delaware River Invasive Plant Partnership and, more recently, on the executive committee for the Catskill Regional Invasive Species Partnership.]