Powder River Examiner -

MSU Extension - PR County 

Bur Buttercup Up and Growing


April 18, 2019

One of the earliest obnoxious weeds to appear in the spring, as early as the mustards, is a small yellow flowering annual known as bur buttercup, according to Powder River Extension Agent Mary Rumph. It seems harmless, a small, gray-green tap rooted plant with three to four deeply lobed, fine-haired leaves resembling antlers. However, by mid spring it forms solid, 3 to 4 inch tall mats. By early summer, it scatters its seed and its burs have turned from green to straw-colored to brown. The burs, though not as sharp as puncturevine seeds, are painful if stepped on with bare feet.

Bur But...

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