Canada thistle is an invasive plant with a deep, extensive root system that requires persistence to completely remove from your lawn. Weeding out young thistles by hand and applying herbicides at the ...

Among garden weeds, the Canada Thistle (cirsium arvense) is a common perennial weed and what I call a “super weed.” It has a dual system of reproduction, by roots and flowers that produce seeds. Thus, ...

Getting your Trinity Audio player ready... For the past few years, I’ve participated in “Thistle Thursdays,” targeting a popular trail near Jackson, Wyoming. The weekly weed party was organized in ...

Canada thistle may look beautiful and innocent with its bright yellow and purple flowers towering above North Dakota's crops and prairie grasses, but looks may be deceiving. The plant is an invasive ...

With weed season on its way in Pitkin County, officials are warning that failing to keep yards free of certain pests could draw penalties and fines.One of this county’s most notorious weeds – the ...