Musk thistle usually begins flowering in May and may bloom from seven to nine weeks. Seed dispersal begins seven to ten days ...

Riley County’s noxious weeds department is above average in its township contracts for this year, officials say. At Thursday’s meeting, Michael Boller, the director of the department, said the county ...

According to the Xerces Society, North America is home to 62 different thistle species; however, not all of these are ...

Seeds remain viable for up to 50 years. The flowering period is from late june until frost in the fall. Musk thistle is biennial or sometimes a winter annual, which grows up to 6 feet tall. Leaves are ...

Nodding thistle is one of the most competitive thistle species causing problems in New Zealand pastures. It is known as musk thistle in some countries overseas. The species gets the name "nodding ...