The lobes in each leaf of prickly sow thistle do not tend to cut in so close to the midrib of the plant as in sow thistle leaves. It could also perhaps be confused with hawksbeard due to its leafy ...

The natural properties of plants are widely used in treating various ailments. One such plant is milk thistle, which supports the liver and bile ducts. Discover how it functions and how to use milk ...

Californian thistle is one of the most common thistle species in New Zealand. It is very troublesome in pastures because it is so difficult to control. Once a plant is established in pasture, it forms ...

One of the weeds nearly everyone recognizes is the thistle. There are numerous thistles but the ones that make the Prohibited Weed List in Minnesota are the Canada thistle and the plumeless ...

What is milk thistle good for? Here are the advantages and downsides of taking milk thistle supplements – plus whether it is safe to do so.

announcing the thistle will remain on the endangered species list. The Center is still working to alleviate grazing pressure on this and other rare plants in our Southwest national forests. Get the ...

announcing the thistle will remain on the endangered species list. The Center is still working to alleviate grazing pressure on this and other rare plants in our Southwest national forests. Get the ...

Like many other biennial invasives, bull thistle is able to produce a large seed bank that can remain viable for up to 10 years! As a result, the plant can easily spread and form dense stands in ...