Are thistles weeds?

The thistle, which is in the sunflower family, is often called an invasive weed even where it is native. What is native? It can be found around the world and throughout North American and Canada, even in the arctic circle and Greenland, just like the mustard plant, chickweed and blackberries. read more

Thistles, even if one restricts the term to members of the Asteraceae, are too varied a group for generalisation; many are troublesome weeds, including some invasive species of Cirsium, Carduus, Silybum and Onopordum. read more

How to Get Rid of Thistles. Three Parts: Organic Management Herbicides Long-Term Prevention Community Q&A. Thistles are very stubborn weeds, and if you do not catch them early on, they could take years to get rid of. With enough persistence, however, it is entirely possible to keep thistle in check without having to resort to drastic measures. read more

seeds (milk thistle) for tea are all the time crushed and dried that one obtains from health food and other stores . Best to make ones own teas. A lot of what I have read is that in many a state(s) thistles being weeds are outlawed to grow/possess. Poisons are usually used to erradicate. read more