This is Musk of Knodding Thistle . This is a highly competitive weed that invades disturbed areas, pasture, rangeland, forests and cropland throughout the United States. It can grow up to 6 feet tall.

South Jefferson County has a volunteer group called the Weed Warriors. We have been trained by Open Space Rangers on how to deal with musk thistle, scotch thistle, as well as another noxious weed, ...

Canada thistle is a weed all gardeners hate. It’s almost impossible to remove. And it’s not from Canada. Published: Sep. 05, 2023, 11:17 a.m.

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.

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

Milk thistle (Silybum marianum) can be a pain if it's growing in your yard.It's non-native and can be an invasive plant, as Keri Wilson, horticulturist and writer for Garden Media Group, points out, ...

If fighting weeds in your garden has you in a pickle, you’ll be interested in a USDA research report about using acetic acid (vinegar) as an herbicide. USDA researchers confirmed that acetic acid is ...

This weed may invade your land. Be ready to oppose it. The Enemy: Bull thistle (Cirsium vulgare) Strategy: This nonnoxious, biannual, invasive weed can be found throughout Idaho. It has hairy ...

With weed season on its way in Pitkin County, officials are warning that failing to keep yards free of certain pests could draw penalties and fines.One of this county’s most notorious weeds – the ...