Add Yahoo as a preferred source to see more of our stories on Google. Canada thistle is an invasive plant with a deep, extensive root system that requires persistence to completely remove from your ...

The Penn State Extension of Berks County Master Gardeners will be featuring questions and answers to inquires received through its Garden Hotline. ANSWER: Canada thistle (Cirsium arvense) is a ...

Q: How do I get rid of invasive thistle on my property? A: Canada thistle (Cirsium arvense) is a perennial that grows from seeds but can also spread by roots. Eliminating thistle may take several ...

Thistles are a marvelous group of plants. Botanists place them all as members of the sunflower (or aster) family, which is a truly gargantuan group with over 20,000 species. The thistles are always ...

When we see a plant and it’s prickly, we automatically assume it is a thistle and therefore it is a bad plant. The Oxford Dictionary defines a thistle as “A widely distributed herbaceous plant of the ...

Thistles in the lawn are not unlike Lego bricks in a carpet—you often don’t notice these pesky lawn weeds with spiny foliage until you step on them barefoot and feel the pain they inflict. Because ...

The Penn State Extension of Berks County Master Gardeners will be featuring questions and answers to inquires received through their Garden Hotline. Q: How do I get rid of invasive thistle on my ...