When it comes to common weeds, few are as problematic as Canada thistle. This plant has a tenacious and fast-growing root system. A single seed is all it takes for an entire patch to spring up and ...

and lance-leafed thistle, is a biennial weed found in almost every state and territory in the USA, including Alaska and Hawaii. Originally native to West Asia, parts of Europe, and North Africa ...

Thistles were everywhere back in the day, whether Californian, nodding, or variegated. The only method available to combat it ...

“The rapidity with which the Russian thistle has spread, both in infesting new territory and in thoroughly covering that already infested, far exceeds that of any weed known in America,” Dewey ...

Sow thistle is an annual weed that can establish at any time of the year. It is also known as puha, and is eaten by some people as a vegetable. Although known as a food favoured by some Māori people ...

One of the weeds nearly everyone recognizes is the thistle. There are numerous thistles but the ones that make the Prohibited Weed List in Minnesota are the Canada thistle and the plumeless thistle.

Nodding thistle is a biennial weed, typically establishing in autumn in pastures that have been damaged by drought over summer. In autumn with the first substantial rainfalls, as there is bare soil, ...

Local officials ramp up efforts to control invasive plants, assist landowners with mitigation, and warn of fast-spreading ...

As warmer weather begins to take root, so too will noxious weeds that can damage transportation infrastructure and ...

Canada thistle is a colony-forming perennial from deep and extensive ... but still maintain itself. This aggressive weed is difficult to control; for example, breaking up the roots by plowing only ...

As Kentucky’s warmer weather begins to take root, so too will noxious weeds that can damage transportation infrastructure and ...