All three have flowers very similar to dandelions, so you might think they are just dandies with long, long stems. Like ...

Today, we will be discussing a somewhat sticky subject – thistles. Thistles have been largely relegated into the noxious weed ...

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

Beekeeper Scott Svab explains the value of invasive Japanese knotweed blossoms to local bee populations, and provides a ...

Thistle has become nearly synonymous with noxious weeds, though, of the roughly 70 listed species, only five are thistles. Musk, Canada, bull, scotch and plumeless thistle are all noxious weeds in ...

Do you loathe Canada thistle? Do you marvel at field bindweed’s “indomitable vitality,” and occasionally leap from your ...

This common biennial with sticky seedpods influenced one of the most useful modern fasteners while also serving as a food ...

Routt County Noxious Weed Supervisor Tiffany Carlson this time of year is running and gunning, almost literally, trying to ...

Their research has estimated that one single plant produced 26 above ground shoots, 154 underground shoots and spread 364 feet of roots, which penetrated 4 to 7 feet in two years, and covered 538 ...

Canada thistle Canada thistle (Cirsium arvense), an invasive noxious weed from Europe and Asia, grows 2 to 4 feet tall and has oblong spiny leaves and clusters of 1 to 5 small, tubular flowers that ...

Step on a Canada thistle with bare feet and you’ll know it right away. Canada thistles have a robust root system. Roots grow 6 feet or more deep and extend horizontally 15 feet or more.

Key Points 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 ...