Curly plumeless thistle is a biennial weed of the daisy family, native to Eurasia and naturalized in North America and India. It is a wild roadside and waste-ground plant rather than a garden plant, so care is mostly about where it grows, not cultivating it.
Family
Asteraceae (Daisy family)
Grows as
Perennial
Light
Shade
Safety
Toxic
Native range
Europe to Siberia and Caucasus
Climate
temperate
About
Carduus crispus, the curly plumeless thistle or welted thistle, is a biennial herb in the daisy family Asteraceae. It is native to Eurasia and has been naturalized in North America and India.
Where it grows
Carduus crispus is native to Europe and Asia. Some of the countries in Asia include Armenia, China, and Hebei. C. crispus is naturalized in Greenland, parts of the United States and Canada, and India
Uses
This plant has been found to have anti-tumour properties, the active ingredient is Crispine B, an alkaloid that has cytotoxic properties, meaning that Crispine B is toxic enough to prevent cancer cells from replicating.
Text excerpted from the Wikipedia article Carduus crispus 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.