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Squarrose knapweed

Centaurea virgata

Squarrose knapweed
Photo: Oleg Kosterin, CC BY 4.0

Squarrose knapweed (Centaurea virgata subsp. squarrosa) is a taprooted perennial thistle-like plant from western Asia, grown or encountered mainly as a weed of dry rangelands rather than as a garden ornamental. It thrives in dry, poor sites thanks to its deep taproot.

Family
Asteraceae (Daisy family)
Grows as
Perennial
Light
Full sun
Water
Needs very little water once established; drought tolerant thanks to its deep taproot.
Soil
Well-drained, dry, poor to moderate soil; tolerates rocky or gravelly ground.
Temperature
Hardy in temperate climates; native to cool-temperate to dry regions of western Asia.
How easy
Easy
Native range
NW. & C. Türkiye
Climate
temperate

About

Centaurea virgata is a species of Centaurea. It is native to Western Asia. The subspecies C. virgata subsp. squarrosa is known as squarrose knapweed.

Where it grows

The species is native to Asia, commonly found in Western and Middle Asia, the Caucasus region and China (Xinjiang). Additionally, it has been introduced in North America, particularly in northern California, Idaho, Utah and eastern Oregon. Similarly, its occurrence has been reported in France and countries near the Dalmatian Coast.

Other Centaurea plants

Centaurea acaulis · Akamas centaury · Centaurea alba · Centaurea ammocyanus · Rough star-thistle · Centaurea atropurpurea · Centaurea behen · Blessed Thistle · Red star-thistle · Karl-Henrikh's Centaury · Dusty miller · Centaurea collina

Text excerpted from the Wikipedia article Centaurea virgata 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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