Powder River Examiner -

Whitetop is Early and Noxious


April 25, 2019

Courtesy PR Extension

One of the most difficult noxious weeds to control in our area is Whitetop, possibly because it comes so early, catching us by surprise! It is a perennial, with creeping rhizomes, extending horizontally and vertically, creating large dense patches according to MSU Extension Agent Mary Rumph.

The stems are erect and the leaves are alternate and clasping. Whitetop begins its life-cycle in the fall with seed germination and seedling establishment. Seedling leaves grow very rapidly, and lateral roots develop within three weeks. Established plants and first year rosett...

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