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Noxious Weeds
Giant Hogweed
Japanese Knotweed
Tansy Ragwort
Wild Chervil

Tansy Ragwort
Home > Services > Noxious Weeds > Tansy Ragwort

Mature Tansy Ragwort plants can be easily spotted because of their bright yellow daisy-like flower and ragged leaves. Plants generally grow between 0.3 m to 1.2 m in height, although in ideal conditions they can reach heights of nearly 2 m.

Numerous stems can grow from one central root, with a cluster of flowers growing on top of each stem.

Download the Tansy Ragwort brochure here.

Look-alike weeds:

There are two weeds found in the Fraser Valley that are commonly mistaken for Tansy Ragwort, however, they do not share the same invasive characteristics.

  • Common Tansy has a button-like yellow flower with no distinct petals.

  • St. John's Wort has a yellow flower with only five petals, and a distinctive centre with multiple antennae-like structures.

Links:

BC Ministry of Agriculture and Lands (Pest Management)
http:www.agf.gov.bc.ca/cropprot/weedguid/tansyrag.htm 

Invasive Plant Council of BC
http://www.invasiveplantcouncilbc.ca/tansy-ragwort-

Gardening in Western Washington - Tansy Ragwort: A Noxious Weed Threatening Livestock
http://gardening.wsu.edu/column/08-08-99.htm 


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