Canada Thistle

NWIPC NWIPC NWIPC

Plant Bio

Common Name:Canada thistle
Family:Asteraceae
Genus:Cirsium
Species:arvense
Classification/Rank:Very Invasive
Method of Transportation:A single seedling can produce a large patch through vegetative propagation
Habitat/Range:Mesic to dry roadsides, fields and disturbed areas in the lowland, steppe and montane zones

Description

• biennial herb that grows 0.3 to 2.0 m tall • stems are erect, branched, and hairy •leaves are irregularly toothed, alternate, lance shaped on the lower stem becoming broader upwards, spiny toothed, smooth and green above, densely white hairy below • flowers are pink-purple

News

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posted: May 31, 2019
Request for Qualifications - Pipeline Invasive Plant Surveys & Treatments

Details can be found at  RFQ Document or use the the Resources tab and click on "Resources". The document is also posted on BC Bid....

posted: November 7, 2018
2017 Annual Report from NWIPC is now online

NWIPC's Annual Report for 2017 was released at our AGM in Smithers in October 2018. Check it out here.