Russian thistle, that tumbling tumbleweed. During this online course, you will learn about Russian thistle biology and how to structure a management plan. By understanding its biology you should get some ideas to consider for controlling it.
1 Credit: Arizona (AG/PMD), Delaware (PA, 1A), Montana (10, 30, 37, 39, 44, 55, 60), New Mexico, Oregon, Utah, Washington, Wyoming
2 Credits: Maryland (3A, 3B, 3C), West Virginia (1, 7, 11, 12, PA)