Arctium is a genus of biennial plants, including common burdock (A. lappa, A. minus, A. tomentosum), grown for their large leaves and edible roots. Burdock is hardy and easy, tolerating most garden conditions, and its burred seed heads cling to clothing and fur.
Family
Asteraceae (Daisy family)
Light
Full sun, Part shade
Water
Keep soil evenly moist during establishment, then water during dry spells.
Soil
Deep, fertile, well-drained loam; deep soil is needed for long taproots.
Temperature
Hardy to around -30 °C; thrives in cool to temperate conditions.
How easy
Easy
Safety
Not known to be toxic: The green above-ground parts may cause contact dermatitis in people with allergies because they contain lactones.
Edible
Yes, some parts
About
Arctium is a genus of biennial plants commonly known as burdock, in the family Asteraceae. Native to Europe and Asia, several species have been widely introduced worldwide. Burdock's clinging properties, in addition to providing an excellent mechanism for seed dispersal, led to the invention of velcro.
Safety
The green, above-ground portions may cause contact dermatitis in individual with allergies as the plant contains lactones.
Where it grows
All Arctium species are native to Europe and/or Asia but several species have been widely introduced. In Eurasia, native Arctium species range from Greenland to Siberia in the north, and from Macaronesia to Peninsular Malaysia in the south. Two species are native to China.
Text excerpted from the Wikipedia article Arctium 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.