News

Spurge laurel is a hardy evergreen shrub that threatens threatens some of the Willamette Valley’s most endangered habitats.

Milk thistle negatively impacts crop fields and pastures. It crowds out crops and decrease farmer’s harvests, and is also toxic to livestock.

Controlling woody knotweed in the Tualatin River watershed is no easy task. In 2020, nearly 2 acres were treated within the watershed.

Puncturevine is an annual groundcover with has spiny seed heads that can puncture bicycle tires, inflatable rafts, and shoes. It is becoming a troublesome pest in our region.