Perennial sowthistle stems are erect, stout, smooth, and unbranched except at the top. The clasping leaves are alternate and light green, and slightly toothed. Perennial sowthistle can grow anywhere from 4 to 6 feet tall, reproducing by seeds and horizontal roots. The flowers are large and yellow, resembling a dandelion.

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Treatment Tools/Products:

 • Milestone Label (Pasture and rangeland) – SDS sheet 

• Trimec Classic Label (Lawns) – SDS sheet

• End Run — Label — SDS Sheet

• Transline Label (Thistle in willows) – SDS sheet