knapweed

Centaurea montana flowering ornamental blue plant

Salah

mountain cornflower, bachelor's button, montane knapweed or mountain bluet

Salah

Centaurea montana, the perennial cornflower

Salah

Centaurea montana

Salah

Cornflower bud

Salah

Beautiful Blue Cornflower

Salah

Blue cornflower with corn and grass in background

Salah

Violet cornflower with corn and grass in background

Salah