Tansy ragwort (Jacobaea vulgaris) has long tormented hay producers and rural landowners who graze livestock. Horses and cows are especially susceptible to this poisonous weed. In open fields, grazing animals will generally avoid […]
Tag Archives | Tansy ragwort
July Invasive Weed of the Month: Tansy Ragwort
Tansy ragwort (Senecio jacobaea) is an invasive weed with a long and deadly history in the Pacific Northwest. In Oregon, it is designated as a Class B invasive weed. It is believed to […]
Yellow Tansy Flowers Have Neighbors Seeing Red
Bouquets of yellow flowers are blooming across our region. Unfortunately, these colorful blooms are from the poisonous plant known as tansy ragwort. They have many residents feverishly working to protect their fields and […]
