Sow thistle is commonly found in crops, gardens and waste areas. As with many members of the Asteraceae family, it starts life as a rosette, and then bolts to form an upright flower stem. Sow thistle ...

Native to Europe but common in the U.S. today as well, milk thistle is a flowering plant in the daisy (Asteraceae) family of flowers. This is the same plant family that has more than 30,000 other ...

Winged thistle is a winter annual, which means it generally establishes from seed in autumn, grows as a typical thistle rosette over winter, then develops an upright flower stem in spring, from which ...

Bull thistle, a member of the Asteraceae family, is yet another herbaceous biennial on our list of invasives. Unfortunately, bull thistle can flourish in an array of sites ranging from meadows, ...

European marsh thistle, a terrestrial and wetland herbaceous biennial in the Asteraceae family, is an invasive plant that prefers moist soils. European marsh thistle frequently invades fens, wetlands, ...

milk thistle might not be for everyone as it can occasionally cause mild side effects like bloating, headaches, or allergic reactions in individuals sensitive to the Asteraceae plant family.