Weeding out young thistles by hand and applying herbicides at the right time of year are most effective for getting rid of ...

“Asters, Groundsels, and especially Thistles, afford most familiar examples of a hairy or downy pappus; those of thistles, &c. in autumn sailing about in every breeze.” — Asa Gray, “How ...

so they are like pulling or mowing the plants. Synthetic herbicides do translocate and kill the root system and may be the best method to manage large Canada thistle infestations. If you would ...

Play the USA TODAY Daily Crossword Puzzle. As a plant, milk thistle has bright magenta or purple flowers surrounded by large, prickly leaves, "which expel a milky white sap when they are crushed ...

and management of a large Canada thistle colony is a multiyear effort that requires carefully timed herbicide application, mowing, and introduction of native plants with deeper roots to provide ...

It’s considered an unwelcome plant in many gardens, where it can quickly grow to be a large and thorny invader. The fruit and seeds of the milk thistle plant have been used in some traditional ...

The milk thistle plant (Silybum marianum) is part of the Asteraceae family and is native to the Mediterranean. Its name comes from the milky white veins on the leaves and the white sap they ...