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Tuberous Thistle

Cirsium tuberosum

Tuberous Thistle
Photo: Gerhard Nitter, CC BY-SA 3.0

Tuberous thistle is a perennial native to Europe, grown mainly as a hardy garden plant for its purple flower heads that attract pollinators. It is best kept in a sunny, well-drained spot where its tuberous roots can establish.

Family
Asteraceae (Daisy family)
Grows as
Bulb
Light
Full sun, Part shade
Water
Water regularly while establishing, then let the top of the soil dry between waterings.
Soil
Well-drained, moderately fertile soil.
Temperature
Hardy to around -15 °C; tolerates cold winters outdoors.
How easy
Easy
Native range
Europe
Climate
temperate

About

Cirsium tuberosum, the tuberous thistle, is a species of flowering plant belonging to the family Asteraceae.

Its native range is Europe.

Other Cirsium plants

Dwarf Thistle · Tall thistle · Rose thistle · Franciscan thistle · Alishan Thistle · Arizona thistle · Creeping Thistle · Barneby's thistle · Cirsium boninense · Cirsium brachycephalum · Palouse thistle · Clustered thistle

Text excerpted from the Wikipedia article Cirsium tuberosum 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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