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 ...

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, a terrestrial herbaceous perennial in the Asteraceae family, is an open-land invasive that prefers disturbed upland areas as well as wet areas with water fluctuations. Canada thistle ...

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) 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 ...

This prickly plant has been coming up more and more in our junipers. We keep pulling it out, but it’s like whack-a-mole. What can we do to clean it out of the entire bed? Canada thistle, like… ...

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 ...

Dear Johnnie: I live in a small subdivision just outside Longmont city limits. Each day as I walk my dog, I am more and more distressed by one homeowner who apparently thinks Canadian thistles are … ...

From the asteraceae family and originating from Europe, Canada thistle (Cirsium arvense) is my least favorite of all wildflowers. With pale, lilac clustered flowers, measuring 0.5 inches to 0.75 ...

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 ...

Pull Canada thistle seedlings before they become established plants . Updated: ; Jul. 15, 2010, 1:28 p.m. | Published: ; Jul. 15, 2010, 12:28 p.m.

We also pull out other invasives such as Canada thistle, hound’s tongue, salsify, toadflax and knapweed. Despite our best efforts, these plants are flourishing. As we work, ...