Protect your garden and lawn by attacking invasive thistle. These weeds thrive in hot summer weather, so it is essential to prevent their spread.

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

Canada thistle (Cirsium arvense) was one such plant when we moved to Northeast Ohio five years ago.The blue-gray foliage of the rosette-shaped seedlings looked intriguing during spring, and in the ...

Canada thistle (Cirsium arvense) is a perennial that grows from seeds but can also spread by roots. Skip to content. All Sections. Subscribe Now. 76°F. Friday, July 18th 2025 ...

Canada Thistle (Cirsium arvense) Suppression with Buckweat or Sudangrass Cover Crops and Mowing was co-authored by Abram Bicksler and John Masiunas and was published in the October-December 2009 ...

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.

Canada thistle (Cirsium arvense) is a creeping perennial broadleaf that is native to the Mediterranean area. It can spread very quickly as it sends out underground stems called rhizomes and by ...

Now is an excellent time to be controlling Canada thistles. It is important to clip or apply herbicides to Canada thistle before they flower and produce more seed. Unfortunately, many of the ...

Christine Ortmann and her neighbors in rural Gilberts received a helping hand in their endless battle with Canada thistle. “I spoke with Ben (Haberthur, Forest Preserve District of Kane County ...

Due to the wet springs we’ve had, common mullein and Canada thistle have been especially prolific the last several years. With seed-heads and flowers on the plants now, both weeds are at their ...

Canada thistle is not Canada’s friend. Nor is it Canadian. Originally from Europe and Asia, Canada thistle crossed the ocean in the 1600s and quickly spread to most… ...