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 ...

– 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 ...

Hundreds of little flower weevils are moving in on spotted knapweed plants in the Bunker Hill Superfund site, where the purple-blossomed noxious weed has infested areas disturbed during Superfund ...

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 ...

We are running low on questions – please write to Pat. You can e-mail her at home@spokesman.com Or write her at Home, The Spokesman-Review, 999 W. Riverside Ave., Spokane, WA 99201. We have 15 acres ...

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 ...

Recent discoveries by Colorado State University scientists differ with traditional theories about invasive weed ecology by offering proof that at least one weed – spotted knapweed – doesn’t take over ...

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 ...

In his greenhouse, Ragan Callaway pits spotted knapweed plantings (left) against native Montana grasses (right), trying to outwit the weed's chemical weaponry. Brian Smale Wayne Slaght is a rancher.

Yellow starthistle, spotted knapweed, and meadow hawkweed are three competitive noxious weeds that collectively infest about 640,000 ha of range and noncropland in Idaho. The purpose of this study was ...

The Minnesota Department of Agriculture is alerting farmers and other landowners about spotted knapweed ? a nasty weed that is showing up with increasing frequency in parts of Minnesota. According to ...

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 ...