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Giant Knotweed

Giant Knotweed

Herb latin name: Giant Knotweed,Giant Knotweed Extract

Latin name: Polygonum sachalinense

Synonyms: Fallopia sachalinensis, Reynoutria sachalinensisFallopia sachalinensis, Reynoutria sachalinensis

Family: Polygonaceae (Buckwheat Family)

Habitat of the herb: the herb: Along ravines and by streams in montane areas of Sakhalin Island. Other uses of Giant Knotweed: A potential source of biomass.
Habitat of the herb: the herb: Along ravines and by streams in montane areas of Sakhalin Island.
Other uses of Giant Knotweed: A potential source of biomass. Plants are very vigorous and could be grown as a ground cover.
Propagation of the herb: Seed - sow spring in a cold frame. Germination is usually free and easy. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer if they have reached sufficient size. If not, overwinter them in a cold frame and plant them out the following spring after the last expected frosts. Division in spring or autumn. Very easy, larger divisions can be planted out direct into their permanent positions. We have found that it is better to pot up the smaller divisions and grow them on in light shade in a cold frame until they are well established before planting them out in late spring or early summer.
Cultivation of Giant Knotweed: Along ravines and by streams in montane areas of Sakhalin Island.
Medicinal use of the herb: None known
Known hazards of Polygonum sachalinense: Although no specific mention has been made for this species, there have been reports that some members of this genus can cause photosensitivity in susceptible people. Many species also contain oxalic acid (the distinctive lemony flavour of sorrel) - whilst not toxic this substance can bind up other minerals making them unavailable to the body and leading to mineral deficiency. Having said that, a number of common foods such as sorrel and rhubarb contain oxalic acid and the leaves of most members of this genus are nutritious and beneficial to eat in moderate quantities. Cooking the leaves will reduce their content of oxalic acid. People with a tendency to rheumatism, arthritis, gout, kidney stones or hyperacidity should take especial caution if including this plant in their diet since it can aggravate their condition.
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Natural Herbs

  • Home
  • Natural Herbs

Giant Knotweed

Giant Knotweed

Herb latin name: Giant Knotweed,Giant Knotweed Extract

Latin name: Polygonum sachalinense

Synonyms: Fallopia sachalinensis, Reynoutria sachalinensisFallopia sachalinensis, Reynoutria sachalinensis

Family: Polygonaceae (Buckwheat Family)

Habitat of the herb: the herb: Along ravines and by streams in montane areas of Sakhalin Island. Other uses of Giant Knotweed: A potential source of biomass.
Habitat of the herb: the herb: Along ravines and by streams in montane areas of Sakhalin Island.
Other uses of Giant Knotweed: A potential source of biomass. Plants are very vigorous and could be grown as a ground cover.
Propagation of the herb: Seed - sow spring in a cold frame. Germination is usually free and easy. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer if they have reached sufficient size. If not, overwinter them in a cold frame and plant them out the following spring after the last expected frosts. Division in spring or autumn. Very easy, larger divisions can be planted out direct into their permanent positions. We have found that it is better to pot up the smaller divisions and grow them on in light shade in a cold frame until they are well established before planting them out in late spring or early summer.
Cultivation of Giant Knotweed: Along ravines and by streams in montane areas of Sakhalin Island.
Medicinal use of the herb: None known
Known hazards of Polygonum sachalinense: Although no specific mention has been made for this species, there have been reports that some members of this genus can cause photosensitivity in susceptible people. Many species also contain oxalic acid (the distinctive lemony flavour of sorrel) - whilst not toxic this substance can bind up other minerals making them unavailable to the body and leading to mineral deficiency. Having said that, a number of common foods such as sorrel and rhubarb contain oxalic acid and the leaves of most members of this genus are nutritious and beneficial to eat in moderate quantities. Cooking the leaves will reduce their content of oxalic acid. People with a tendency to rheumatism, arthritis, gout, kidney stones or hyperacidity should take especial caution if including this plant in their diet since it can aggravate their condition.
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