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Persicaria microcephala is a clump-forming perennial knotweed from the Himalayas and central and southern China, grown mainly for its pink flower spikes and decorative foliage. It is hardy and adaptable, and the cultivar 'Red Dragon' is a popular garden form.
Persicaria microcephala (syn. Polygonum microcephalum), the small-headed knotweed, is a species of flowering plant in the family Polygonaceae. It is native to the Himalayas, and central and southern China, and it has been introduced to Great Britain. Its cultivar 'Red Dragon' has gained the Royal Horticultural Society's Award of Garden Merit.
Amphibious Bistort · Pink Headed Knotweed · Chinese Knotweed · Water pepper · Curlytop knotweed · Redshank · Small water-pepper · Vietnamese Coriander · Pinkweed · Asiatic Tearthumb · Dotted Smartweed · Persicaria tinctoria
Text excerpted from the Wikipedia article Persicaria microcephala by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
