Consultation on Paclobutrazol, Proposed Registration Decision PRD2023-10

Notice to the reader:

The online consultation is now closed.

Health Canada's Pest Management Regulatory Agency (PMRA), under the authority of the Pest Control Products Act, is proposing registration for the sale and use of Paclobutrazol Technical and Trimmit, containing the technical grade active ingredient paclobutrazol, for use on turfgrass on golf courses to slow the growth of turfgrass and suppress Poa annua.

How to get involved

This consultation is open for comment from 16 November 2023 to 31 December 2023 (45 calendar days). Open the "Consultation Summary" to access the document.

If you would like to comment, see the Pest Management Regulatory Agency Publications Section page for contact information. Please be sure to include the title of the consultation document on which you are commenting.

Health Canada will consider all comments received up to 45 days from the date of publication of this document (by 31 December 2023) before making a final decision on the proposed registration for Paclobutrazol Technical and Trimmit.

Reporting to Canadians

Health Canada will make the results of this consultation available on this website. Once the decision on paclobutrazol is finalized, the PMRA will post a Registration Decision on the Pesticides and Pest Management Reports and Publications portion of

If you have any questions, contact the Pest Management Information Service.

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