Eradicating Canadian Thistle - Ask Extension
Hello,
I live in Sterling Heights and this year I have a lot of Canadian Thistle growing along my fence. How can I safely try to eradicate it? I kn...
Knowledgebase
Eradicating Canadian Thistle #909184
Asked July 10, 2025, 9:10 AM EDT
Hello,
I live in Sterling Heights and this year I have a lot of Canadian Thistle growing along my fence. How can I safely try to eradicate it? I know that pulling it might actually make it worse.
Thank you,
Raffaella
Macomb County Michigan
Expert Response
Hello
Here is a bulletin specific to controlling Canada thistle in gardens and lawns. It also lists chemical controls if you decide to use them. https://yardandgarden.extension.iastate.edu/how-to/control-canada-thistle
Please remember to read and follow all label directions and precautions on any chemical you use.
Here is a bulletin specific to controlling Canada thistle in gardens and lawns. It also lists chemical controls if you decide to use them. https://yardandgarden.extension.iastate.edu/how-to/control-canada-thistle
Please remember to read and follow all label directions and precautions on any chemical you use.