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The CSU Extension in Gilpin County helps mountain residents improve their quality of life by offering a website, classes and programs that provide unbiased, research-based information on forestry, wildfire, wildlife, mountain gardening, noxious weeds and many other issues. Through our 4-H programs, we help youth develop life skills through leadership opportunities.
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Canada Thistle   arrow

Canada thistle (Cirsium (Breea) arvense)

 

Please note that there are some native thistles, which are not noxious plants.

Other Links For Further Information:

http://extension.colostate.edu/topic-areas/natural-resources/canada-thistle-3-108/

http://www.cwma.org/CanadaThistle.html

http://mtweed.org/weeds/canada-thistle/

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With the millions of websites on the internet, it's hard to know who to trust for information. Colorado State University Extension can provide relief by offering reliable research-based information.

CSU Extension in Gilpin County

Gilpin County Extension is your information source. We are part of a nation-wide system that uses the latest research to help residents learn more about gardening, sustainable living, healthy eating, youth development, fraud prevention, and much more. Our job is to bring these resources directly to you.

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