From May through October, you'll find five-petalled, papery white to pale purple notched flowers floating above the grass. They spread via seeds and stray plant parts. Since musk thistle (Carduus ...

The thistle grows across temperate climates, gracing meadows, roadsides, and boggy areas with its delicate purple, pink, white, and yellow flowers. In some regions, the plants are seen as weeds ...

Flower colors can vary from white to pink to purple. Some thistles have thorns on the stems, while others do not. Most have thorns on their leaves. Yellow star thistle is actually a knapweed that ...