Thistles or Cirsium may be best known for their ... and boggy areas with its delicate purple, pink, white, and yellow flowers. In some regions, the plants are seen as weeds, while in other ...

Flower colors can vary from white to pink to purple ... Canada/creeping thistle (Cirsium arvense) commonly found in lawns, gardens and disturbed areas. It has a waxy green leaf and a formidable ...