What a difference a year makes It was one year ago that we reported a large infestation of milkthistle (Silybum marianum) growing in a twenty-acre horse pasture outside of Wilsonville. At that time, the WeedWise program was approached by the resident for assistance in helping her to control the milkthistle. As a priority invasive weed […]
The Clackamas River Basin is not without its fair share of invasive weeds. Thankfully, we have a hard working group of skilled land managers actively managing these invasive weeds. Formed in late 2015, the Clackamas River Invasive Species Partnership (CRISP) was established to improve the coordination of weed management in the Clackamas Basin. This partnership […]
Where do you start when you are dealing with 20 acres of pasture land heavily infested with Blessed milkthistle? The first step is to call the WeedWise program! We were recently contacted by a landowner with this impressive stand of Blessed milkthistle (Silybum marianum) growing in horse pasture lands. The landowner was feeling very overwhelmed […]
