Genus Polygonum (Smartweeds) for the Garden
Karen Polygonum is a genus of flowering plants native to temperate regions and is in the knotweed family, Polygnaceae, that also includes rhubarb, buckwheat and many notorious weeds such as Pennsylvania…
Plant Profile: Millot’s Knotweed (Polygonum miletti aka Persicaria miletti)
This clump-forming herbaceous perennial is native to western China and Nepal where it grows in scrub and on cliff ledges. It is a member of the knotweed family, Polygonaceae, that…