The Yakima County Noxious Weed Board has been helping landowners control problem and noxious weeds since 1975. Contact them ...

Scotch thistle (Onopordum acanthium) is a biennial native to Eurasia. It was introduced into the U.S. as an ornamental and as a contaminate in feed. It invades rangeland, pastures, cultivated ...

Scotch thistle is a biennial weed, so it depends quite heavily on the establishment of seed on a regular basis if it is to be found commonly in any particular situation. In contrast, many pasture ...

May, and June are the months when we frequently see both native and non-native forbs begin to grow and start to flower in ...

The Colville Tribes Land Operations/Range program will begin conducting noxious weed control efforts on rights-of-way, ...

as goats will eat this weed, unlike most other livestock. Find out more information about the biology and control of Californian thistle. Scotch thistle is the most common thistle species in New ...

Landowners in southern Rio Arriba, Santa Fe and Los Alamos counties may be eligible for financial assistance to deal with invasive or noxious weeds including Scotch thistle, chicory and Russian olive.