This has been a phenomenal year for germination of noxious weeds. Scotch thistle, for instance. Scotch thistle grows up to 13 feet tall. Cutting the root 2 inches below ground will kill that root and ...

Q: We recently moved to a new home and have inherited flower beds which are inundated with thistle. We have weeded these beds several times, but more thistle just pops up. How can we control this ...

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. Thus, ...

Canada thistle may look beautiful and innocent with its bright yellow and purple flowers towering above North Dakota's crops and prairie grasses, but looks may be deceiving. The plant is an invasive ...

Most farmers and ranchers who own pasture ground know the struggle of managing musk thistle. If you don’t, consider yourself lucky. Musk thistle, classified as a noxious weed in Nebraska, costs a lot ...

An experiment was conducted near Scottsbluff, NE, to assess three techniques for establishing perennial grasses in pasture sites and to evaluate the effectiveness of five perennial grasses compared ...

Canada thistle was probably introduced to America around 1750 and the state of Vermont enacted noxious weed legislation against it in 1795. It was proclaimed a noxious weed in Nebraska in 1873.

In 1998, musk thistle was put on the noxious weed list for all counties in Oklahoma. The law states, “It shall be the duty of every landowner in each county to treat, control or eradicate all Canada, ...

Russian thistle is a severe problem in fields after crop harvest in the Pacific Northwest (PNW) and is controlled either by tillage or broadcast applications of various herbicides. A study was ...

A non-native thistle seen as detrimental to grazing and that could possibly contaminate pasture and hay crops may be put on Washington’s list of weeds that must be eradicated in all counties. The ...

Editor’s note: Throughout the growing season, Mike Hogan, OSU Extension educator for Agriculture and Natural Resources in Franklin County, will answer gardening and home landscape questions submitted ...