“Invasive Weeds” are non-native plants that crowd our native and desirable species important to Warm Springs People and Wildlife.
Bull Thistle is a biennial herbaceous plant between 3-7 feet tall with one upright branched stem. It blooms in its second year. Flowers are purple or rarely white, blooming July through September. Each leaf lobe has a spined tip. Bull Thistle reproduces by seed only. Jand pull and dispose of flowering plants in trash to prevent seed spread.
. To learn more about controlling invasive weeds like Bull Thistle – you can contact these local resources: Suzie Miller at the Warm Springs Branch of Natural Resources (541-553-2007, [email protected]), Terry Stradley at the Warm Springs Branch of Natural Resources (541-553-2009, [email protected]), Todd Shockney at the Jefferson County Noxious Weed Department (541-475-4459 ext. 5325), Scott Duggan, Oregon State University Warm Springs Extension (541-553-3238, scott.dugga[email protected])