– Short lived perennial growing from 1-foot to 3-feet tall. – Flowers are purplish-pink, urn or vase-shaped, about 1/2-inch to 1-inch tall with dark comb-like bracts under the bloom. – Knapweed ...

A recent study sheds new light on the control of Russian knapweed, an invasive plant found in the Western US. A recent study featured in the journal Invasive Plant Science and Management sheds new ...

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 ...

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 ...

The problem of invasive species may seem remote from most people's lives. But in some parts of the United Kingdom, an invasive plant creates a problem that hits home, literally. That's because the ...

Herbicidal control of spotted knapweed (Centaurea maculosa Lam.) on rangeland in the western United States has been most effective using residual herbicides, such as picloram ...

Introducing and establishing competitive plants is essential for the successful management of spotted knapweed (Centaurea maculosa Lam.) infested rangeland where a desirable understory is absent. Our ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The Christian Science Church, and we’ve always been transparent about that. The Church publishes the Monitor ...

Spotted knapweed is a prohibited noxious weed, meaning a land owner is legally obligated to control it on his/her land. Spotted knapweed grows well in dry sandy soils. Spotted knapweed grows 1-3 feet ...

A potentially invasive weed has been showing up in the southwest region of Missouri, and University of Missouri is reminding folks to be on the lookout. David L. Burton, with University of Missouri ...

As spring's rains and warmer temperatures bring forth a new growth of grass to the Rocky Mountain Front, a more insidious plant is attempting to take over the landscape and push out the nutritious ...

A recent study featured in the journal Invasive Plant Science and Management sheds new light on the control of Russian knapweed, an invasive plant found in the western U.S. Russian knapweed grows in ...