PUBLIC ANNOUNCEMENT- WESTERN INVASIVES NETWORK Revised April, 2020

847 NW Monroe Ave. Corvallis, OR 97330 (541) 910-8769

Photo: Enrico Blasutto

1Photo: Liz West************NOXIOUS WEED ALERT************

Coltsfoot (Tussilago) Coltsfoot (Tussilago farfara) is a native of more vulnerable to invasion. Since this and Asia. Coltsfoot gets its specific thrives in disturbed environments; where name from the old name for the White locations allow, minimize soil disturbance Poplar, Farfarus, since the leaves of this herb during management. When possible, carry have a similar appearance. Historically, out control methods when pollinators are not coltsfoot was used by herbalists for treating active on . Also, make sure to clean respiratory difficulties. It is still available shoes, clothing, and equipment when leaving today through various herbal websites. In infestations to prevent spreading and some countries its use has been prohibited or fragments to new locations.

regulated. Coltsfoot is a “Class A” weed in Oregon. For more info on this species: Large heart-shaped leaves of Coltsfoot in a disturbed roadside area. (Photo: wildherb.com) ODA Profile Why is it a problem? In the Eastern U.S. and Canada the most King County Info Page common location for coltsfoot is on roadsides, both country roads and highways. The Western Invasives Network is asking for From this foothold, it spreads by or your help in identifying populations of to adjacent tilled fields. While this Coltsfoot in Oregon. If you observe weed does not spread rapidly, it is of concern Coltsfoot, please use the reporting tools because of its competitive nature in corn listed below: fields and other vegetable crops where there are very few herbicides that will control it How Do I Report Coltsfoot? adequately without impacting the seeded Report Online at: crop. https://oregoninvasiveshotline.org/

What Can You Do? There are no known sites of this plant in -or- Coltsfoot has moved into this riparian area Oregon, however, Western Oregon is prime following control of other invasive species.. habitat. There was one confirmed find that Call 1-866-INVADER (Photo: EDDMaps) was eradicated in Hood River County. -or- Disturbed locations such as roadsides, trails, pond and river edges and areas that have Contact your local CWMA undergone invasive plant removal, may be