Knotgrass Herb Cut


Botanical Name Polygonum aviculare

Common Name:

  • English:  Knotgrass, Knotweed, Mexican Sanguinaria
  • Also, known as: Machoti, Kesri, Vogelknöterich, Centinode, Centinodia, Kuwar, Anjuhar, Liao, Allseed nine-joints, armstrong, aviculaire, baekjeol, beggarweed, bian xu, birdgrass, bird knotgrass, bird’s tongue, birdweed, bistorta centinodio, bistorte aviculare, Blutkraut, centinode, centinodia, common knotgrass, common knotweed, coreggiuola, cow grass, crawlgrass, chveulebrivi matitela, devil’s grass, doejipool, doorweed, eunmadeup, gorets ptitsii, harilik linnurohi, herba centumnodii, herba sanguinalis, herbe à cochon, herbe aux panaris, herbe de renouée des oiseaux, herbe des St Innocents, hogweed, höusegräs, hundred jointed, knicker, knot-grass, knotgrass herb, knotweed, knot-weed, qush toron, laufrasen, madeupnamul, matgrass, maura sūrene, ninety-knot, pig-rush, pigweed, pihatatar, pinkweed, plattsaad, poligono, poligono degli uccelli, porcfu, prostrate knotweed, rdesno ptaci, red robin, renouée des oiseaux, russischer knöterichtee, sanguinaire, saugrss, saukraut, schweinegrass, schweinekruse, sekedeknä, shabat el ghûl, sparrow tongue, sporiş, sporysz, stonegrass, swine’s grass, swynel grass, tire-goret, traînasse, trampgrass, traniane, troscot, tungress, vej-pileurt, vogelknöterich, vogelknöterichkraut, way grass, wegetred, wegetritt, weggras, wegkruast, weidemannscher tee, Zerrgras

Origin: Ukraine

Harvested: Wild

Parts Used: Aerial part                                                           

General Information:

Knotgrass is an annual herb. Knotgrass is a common name for many other plants too. It is mostly found throughout Britain and the rest of the world. The stems of the knotgrass are known as nine joints or ninety knots. The stems are slender, light purple red with several branches. The leaves are small, oblong, and often lance-shaped or oval wit 0.5 to 1inch long. Flowers are always together in a bunch of 2 or 3 with greenish-white tinged with pale purplish red. It can be grown in light sandy soil and soils manured by sheep. Knotgrass can tolerate high salinity and a water-logged environment. If knotgrass is planted in water, it can stay green throughout the year.

How to use:

Hot Infusion:

The basic method for dried herbs and flower is, take 2-3 tablespoons of dried herb in a cup or teapot. Pour hot water over it and cover it with lid for 10-30 minutes. Hot water is needed to draw out the antioxidants, enzymes, vitamins, flavonoids, and volatile oils from the botanicals. Strain and squeeze out as much as liquid as possible and enjoy!


  • You can sweeten your herbal tea with a bit of honey, natural fruit juice, stevia leaves powder and or licorice root powder.
  • You can make ice cubes or pops by freezing tea in ice trays or pop molds.


You should consult with a qualified healthcare practitioner before using any herbal products, particularly if you are pregnant, nursing, or on any medications.

All information on this website is for educational purposes ONLY.

This information has not been evaluated by Health Canada.

This information is not intended to diagnose, treat, cure, or prevent any disease.

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