Canada thistle (Cirsium arvense) is an aggressive, creeping perennial weed that infests crops, pastures, rangeland, roadsides and noncrop areas. Generally, infestations start on disturbed ground, ...

Due to the wet springs we’ve had, common mullein and Canada thistle have been especially prolific the last several years. With seed-heads and flowers on the plants now, both weeds are at their most ...

Canada thistle may look beautiful and innocent with its bright yellow and purple flowers towering above North Dakota's crops and prairie grasses, but looks may be deceiving. The plant is an invasive ...

Grassland restoration is a common practice to restore wildlife habitat and ecological function to farmed landscapes. In South Dakota, grassland restoration can come in many forms, from common “program ...