Tag: Kill Canada thistle organically

Canada thistle
Garden how-to guide

How to control Canada thistle

There’s no denying that Canada thistle is tough to control, but the first step in dealing with it is to understand it. About Canada thistle Canada thistle (Cirsium arvense) is a fast growing perennial plant that can grow to 1m or more in height. Its leaves are deeply serrated and spiny, and the stems have […]

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