– 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 ...

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 ...

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 ...

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 ...

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 ...

Farmer Joe Hoffman has been battling a problem. The problem is insidious: an invasive weed that has been in Michigan since 1911. Though not a new invasive plant, the knapweed has been taking over ...

Spotted knapweed (Centaurea stoebe) is found in over 3 million ha of rangeland and forests across North America, and evidence supporting the use of biological control as a regional method to reduce ...

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 ...

HIBBING -- The St. Louis County Board on Tuesday voted against making spotted knapweed a priority noxious weed in the county. A resolution elevating the weed to a priority list and giving the county's ...

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 ...

Species richness and diversity are important indicators of ecosystem function and may be related to plant community resistance to invasion by nonindigenous species. Our specific objective was to ...