Chinese rhubarb is a large, clump-forming perennial with huge hand-shaped leaves, grown mainly as an ornamental foliage plant and as a source of medicinal rhubarb root. The key to growing it is giving it deep, fertile, moist soil and room to spread, since it becomes very large.
Family
Polygonaceae (Buckwheat family)
Grows as
Perennial
Light
Full sun
Water
Keep soil consistently moist during the growing season, especially in dry spells.
Soil
Deep, fertile, well-drained loam rich in organic matter.
Temperature
Hardy to about -20 °C; provide cool summers and sheltered sites in hot climates.
How easy
Easy
Safety
Mildly toxic: Raw leaves and stems contain oxalates, and the roots contain anthraquinone laxatives; eating large amounts can cause stomach upset and diarrhea.
Edible
Yes, some parts
Native range
Tibet to N. & C. China and N. Vietnam
Climate
temperate
About
Rheum palmatum is a species of flowering plant in the knotweed family Polygonaceae. It is commonly called Chinese rhubarb, ornamental rhubarb, Turkey rhubarb or East Indian rhubarb.
Rheum palmatum is a herbaceous perennial related to the edible rhubarb. It is primarily used in traditional medicine, and as an ornamental subject in the garden.
Where it grows
It is native in the regions of western China, northern Tibet, and the Mongolian Plateau.
Text excerpted from the Wikipedia article Rheum palmatum 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.