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Chinese Knotweed

Persicaria chinensis

Also called Creeping Smartweed

In Singapore: Chinese Knotweed, Sembuluh, 火炭母 (Grown in Singapore)

Chinese Knotweed
Photo: 石川 Shihchuan, CC BY-SA 2.0

Persicaria chinensis is a perennial climbing herb from tropical and subtropical Asia, growing 2 to 3 m high with white or pink flowers and sour, edible berries. It is a plant of warm, humid conditions and is not commonly grown as a garden or houseplant.

Family
Polygonaceae (Buckwheat family)
Grows as
Perennial
Light
Part shade, Bright indirect
Water
Keep soil evenly moist during the growing season and reduce watering in cooler months.
Soil
Moist, fertile, well-drained loam.
Temperature
18–30 °C; protect below 10 °C
How easy
Moderate
Safety
Not known to be toxic
Native range
Trop. & Subtrop. Asia
Climate
temperate

About

Persicaria chinensis (synonym Polygonum chinense), commonly known as creeping smartweed or Chinese knotweed, is a plant species from the family Polygonaceae.

It is widespread across China, Japan, the Indian Subcontinent, Indonesia, Malaysia, and Vietnam.

Other Persicaria plants

Amphibious Bistort · Pink Headed Knotweed · Water pepper · Curlytop knotweed · Redshank · Persicaria microcephala · Small water-pepper · Vietnamese Coriander · Pinkweed · Asiatic Tearthumb · Dotted Smartweed · Persicaria tinctoria

[Contains information from Leaf Area Index (LAI) and Heritage Trees from data.gov.sg (National Parks Board), made available under the terms of the Singapore Open Data Licence version 1.0]

Text excerpted from the Wikipedia article Persicaria chinensis 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.

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