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canadian prohibited noxious weed seeds

3 These Regulations come into force on November 1, 2016.

2 [Repeal]

CLASS 1 Prohibited Noxious Weed Seeds

Ottawa, May 6, 2016

(Applicable to all tables of Schedule I to the Seeds Regulations )

The Minister of Agriculture and Agri-Food, pursuant to subsection 4(2) Footnote a of the Seeds Act Footnote b , makes the annexed Weed Seeds Order, 2016 .

This regulatory amendment proposes to revise the current WSO to reclassify existing weed species based on the most recent information about their distribution and to regulate new and emerging weed species of potential concern.

Market and export value losses were also identified by some of the stakeholders as a potential impact of these amendments. In order to avoid or to minimize a potential market loss caused by a delay in identifying the weed species in the amended WSO, affected businesses would need to train their seed analysts immediately.


Agricultural producers have established weed management regimes that align with their production methods and the weed species of concern present on their land. The establishment of a new weed species would require producers to review and revise their weed management plans, which could increase their production costs.

The small business lens does not apply to this proposal as costs to small businesses are insignificant as the nationwide cost impacts are less than $1 million annually.

An amended WSO would contribute to a reduction in the number of introduced and established weeds in Canada, thereby preserving biodiversity, and to maintaining the effective delivery of the CFIA’s Invasive Plant Policy. The proposed amendments would ensure that species will be listed under the correct class and would include emerging weed species of concern. The proposed amendments to the policy and regulatory frameworks would improve the efficiency of agricultural production by reducing undue burden on industry resulting from the outdated regulation of weed species.