Tim Seastedt had a feeling about bugs. Under the proper conditions — and given enough time — perhaps insects could succeed where farmers, ranchers and biologists have been failing for decades: at ...

Diffuse knapweed has been able to thrive in Colorado because, among other things, changes in the soil over the past 150 years gave the weed a competitive edge. First, the rangeland has been grazed ...

LAKEWOOD * A small cupful of insects can help control some of the state’s most obnoxious noxious weeds. Through its Front Range Weed Predator Redistribution Program, the Colorado Department of ...

December’s Weed of the Month is not one, but three species of knapweed: brown knapweed (Centaurea jacea), meadow knapweed (C. x moncktonii), and diffuse knapweed (C. diffusa). All three species are ...

After diffuse knapweed germinates, it develops into a rosette with grayish green leaves that are finely divided. As the plant bolts and matures, leaves develop short dense hair. Leaves located toward ...

When it comes to killing weeds, Boulder’s methods might seem a bit unconventional. Rather than using chemicals to take out diffuse knapweed and three types of thisles along the dams at Boulder ...

Its name isn't pretty and neither are its effects on native plants — and wildlife officials would like you to pull them when you see patches of diffuse knapweed. Diffuse knapweed was first introduced ...

An invasive weed that has taken over vast swaths of grazing land in the West may hold the key to creating an effective, natural herbicide. A Colorado State University study found that a chemical ...

DENVER — An invasive weed that has taken over vast swaths of grazing land in the West may hold the key to creating an effective, natural herbicide. A Colorado State University study found that a ...

Landowners can reserve a release of weevils that control knapweed. The releases are free and are provided by the Whitehall Project. Contact Todd at 406-498-5236 or Bryce at 406-533-5672 to reserve a ...

I had a backyard experience several weeks ago that brought to mind the quote from Sir Walter Scott, “Oh, what a tangled web we weave, when first we practice to deceive!” I discovered an insect I had ...

Diffuse knapweed (Centaurea diffusa) is an annual, biennial, or short-lived perennial forb native to southeast Europe and western Asia. It was introduced into the U.S. as a contaminate in seed. It is ...