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 ...

Digging out the thistle in my garden probably just prunes the plant, encouraging new growth. Using herbicides will not reach extremely deep roots and should be avoided in any garden.

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 ...

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 ...