Controlling Tansy Ragwort in Natural Areas

Controlling Tansy Ragwort in Natural Areas

Tansy ragwort (Senecio jacobaea) is a winter annual, biennial, or short-lived perennial plant in the sunflower family. The plant is classified as a noxious weed in seven western states (AZ, OR, WA, CA, MT, CO and ID), two eastern states (CT and MA), and Canadian provinces.The invasive plant is well suited to disturbed sites such as roadsides, open forests, logged areas, burned sites, and over-grazed meadows and pastures.  Read tips and recommendations for managing tansy ragwort in natural areas.

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Twenty Years of Success: Managing Tansy Ragwort in Northwestern Montana

Twenty Years of Success: Managing Tansy Ragwort in Northwestern Montana

The Little Wolf Fire began in August of 1994, burning over 15,000 acres of national forest and private timber lands in northwestern Montana.  Open sites created by the burn and disturbance from fire-fighting activities provided ideal habitat for tansy ragwort. The County Weed District and other partners organized a cooperative weed management area (CWMA) and developed management plans to contain tansy ragwort.

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