The moth is out in July and in August, and may often be seen resting on the flowers of knapweed (Centaurea) in the daytime.
As it has a weakness for sweets, it should be looked for at night, by the aid of a lantern, on the flowers of knapweed and thistle.
The Black Knapweedis a stiff, soldierly plant, not unlike a small Thistle without prickles.
The Great Knapweed (Centaurea Scabiosa) is a somewhat similar plant, but usually larger, its stout, branched stem being generally two or three feet high.
The Black Knapweed or Hardhead (Centaurea nigra) is a very common flower of meadows and pastures, flowering from June to September.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "knapweed" in a variety of sentences. We hope that you will now be able to make sentences using this word.
