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, ...

One of the best plants you can grow for this purpose is a native thistle plant. According to the U.S. Forest Service, 58 varieties of thistle are native to North America. Cobwebby thistle (Cirsium ...

annually hand pull or dig rosettes and adult plants, dry in the sun or bag for landfill if thistle has bloomed, clip off all flowers, buds, and seedhead be sure to collect these flower, bud, and ...