Robuta

https://johnsons-seeds.com/products/greater-knapweed Greater Knapweed (Centaurea scabiosa) Wildflower Plants from Woolmans – Johnsons Greater Knapweed - a native perennial particularly well suited to wildflower meadows and for naturalising in prairie style plantings. Loved by bees and... greater knapweedcentaurea scabiosawildflowerplantswoolmans