Yellow Starthistle Discovered in Natrona County for First Time

CASPER, Wyo. (September 12, 2023) –Yellow starthistle, highly invasive weed, was discovered on private land in Natrona County in August. The Natrona County Weed and Pest District (NCWP) is currently overseeing the management and eradication of the weed. Now, the area is fenced off to keep most wildlife and all livestock out.

The infestation was less than an acre, and all visible plants were pulled and removed from the area. The district estimates that between 500 and 600 pounds of the weed were collected. The weeds will sun rot and ferment in a secure location on NCWP property, then be bu...