Canada thistle (Cirsium arvense) is an aggressive, invasive plant. Here's how it spreads and how to identify it so it doesn't ...

This type of thistle plant will also add some gorgeous character to your yard. Read more: 14 Tips For Growing A Healthy Garden Many thistles have a bad reputation due to their invasiveness ...

Milk thistle is a plant known for its anti-inflammatory and ... from person to person and depend on many variables, including type, dosage, frequency of use, and interactions with current medications.

The Sacramento Mountains thistle is a rare purple flower than can grow to be six feet tall and lives only in wet, high-elevation habitats in the Sacramento Mountains near the town of Cloudcroft, New ...

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 ...

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 ...

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 ...

The Sacramento Mountains thistle is a rare purple flower than can grow to be six feet tall and lives only in wet, high-elevation habitats in the Sacramento Mountains near the town of Cloudcroft, New ...