Tansy ragwort can cause liver damage in livestock.
About This Species
Tansy ragwort is a biennial to short-lived perennial that grows in pasturelands and disturbed areas. Seeds are easily transported by wind, soils, human activity, and livestock. A single plant can produce 150,000 seeds that can survive in the soil for up to 15 years.
How to Identify
Tansy ragwort has bright yellow daisy-like flowers with 10-15 petals each. Flowers are arranged in a dense, flat-topped cluster at the top of a purplish stem. Leaves are dark green and ruffled, becoming ragged in appearance during their second year of growth. Plants grow from 0.2 to 1.2 m in height.
REPORT TO PROTECT BC’S BIODIVERSITY
Use the app
Observe and report to protect BC’s biodiversity
Report through this website
Use our form to tell us what you’re seeing and where.
Prevention is the best approach.
Tansy ragwort Factsheet
If you need advice about invasive species on your property or you are concerned about reported invasives in your local area, contact your local government or regional invasive species organization.
Learn about best practices