Tag Archives: Persian knotweed

Silversheath Knotweed

This gallery contains 8 photos.

While common knotweed (Polygonum aviculare) grows as a low mat, its close relative, silversheath knotweed (Polygonum argyrocoleon) is an erect plant. Otherwise the two knotweed species are very similar. As mentioned in my previous post on common knotweed, both plants … Continue reading

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