The knotweed family contains about 50 different species and over 1,200 varieties of plants.

They are known as the Polygonaceae family. Most of the members of the knotweed family are herbaceous plants, while a few are trees or vines.

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Rhubarb is one of the most famous members of the knotweed family. The leaves are long and spiky, while the flowers bloom in vibrant pinks.

Also among its members are buckwheat, Russian vine, and Vietnamese coriander. It belongs to the knotweed family, Polygonaceae, and is a genus of herbaceous flowering plants.

Known as knotweeds or smartweeds, this genus of plants is found throughout North America. There are almost as many species as there are geographical locations.

The genus is a division of Polygonum (Polygonum) by Augustin Pyramus de Candolle. Polygonum was the former genus name for Persicaria species.

The taxonomy of Persicaria has been controversial. None of the species has been identified with absolute certainty.

Among this group of plants, only classical knotweed, Polygonum, and wedge knotweed attract butterflies, honey bees, and bumblebees, with classical knotweed, Polygonum, and wedge knotweed attracting these flying insects regularly. It is stunning to see Persicaria amplexicaulis or Firetail, in bloom.

The flowers are just one way in which this flowering plant can transform a dull garden into a stunning space. With its beautiful pink and red flowers, “Firetail” is an ideal border plant.

However, this plant also has many practical benefits. As it grows, it spreads out to create a dense thicket of foliage that can be used to hide unsightly areas.

Knotweed, or Persicaria, is native to Japan and is ideal for gardens. At the end of summer, combine knotweed with autumn anemones, yarrow, and dahlias; they form a beautiful combination that is in full bloom around the time the garden loses most of its colour.