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© Deeproot Plant Base
common name: Common Knapweed, Lesser Knapweed
growth rate: medium
growth habit: erect
leaf colour: grey-green
flower colour: purple
fruit colour: brown
main season: Summer
full sun, part shade
dry soil, moist soil, sandy soil, coastal
preferred soil pH: neutral-alkaline
minimum temp: -35°C
USDA zone: 4 to 8
Perennial wildflower of grasslands and meadows. Downy with branching stems and oval to lance-shaped, green to grey-green leaves, which are much narrower on the upper stems Reddish or pinkish purple flowerheads, sometimes with long-stalked ray florets, and overlapping, scale-like, brown bracts, forming a knobbly head that later encloses the bristly fruits. Flowers from June to September.
May vary in form locally.
Well drained soil in full sun or part shade.
British native. Widespread distribution and common on grassllands, roadsides, sand-dunes and sea cliffs. Less frequently seen than previously, due to modern farming styles.