
©Dominic Alves
Greater knapweed
The ragged-edged, purple flower heads of Greater knapweed bloom on sunny chalk grasslands and clifftops, and along woodland rides. They attract clouds of butterflies.
Enw gwyddonol
Centaurea scabiosaPryd i'w gweld
June to SeptemberSpecies information
Category
Ystadegau
Height: up to 1mCommon.