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Recovery Strategy for Hoary Mountain-mint (Pycnanthemum incanum (L.) Michx.) in Canada [Final Version]

Photo © Donald Kirk

Photo © Donald Kirk

Prepared by

Hoary Mountain-mint Recovery Team

June 2007

Under the Accord for the Protection of Species at Risk (1996), the federal, provincial, and territorial governments agreed to work together on legislation, programs, and policies to protect wildlife species at risk throughout Canada.

In the spirit of cooperation of the Accord, the Government of Ontario has given permission to the Government of Canada to adopt the Recovery Strategy for Hoary Mountain-mint (Pycnanthemum incanum (L.) Michx.) in Canada under Section 44 of the Species at Risk Act (SARA). Details are provided in the addenda of this document.

This recovery strategy is the recovery strategy of the Minister of the Environment of Canada for this species.


Recommended Citation

Thompson, M.J. and C.J. Rothfels.  2006.  Recovery Strategy for Hoary Mountain-mint (Pycnanthemum incanum (L.) Michx.) in Canada. Hoary Mountain-mint Recovery Team, vii + 18 pp.

Additional copies:

Additional copies can be downloaded from the SARA Public Registry (

Cover photo:© Donald Kirk

Également disponible en français sous le titre

« Programme de rétablissement du pycnanthème gris (Pycnanthemum incanum (L.) Michx.) au Canada »

Content (excluding the illustrations) may be used without permission, with appropriate credit to the source.

Responsible Jurisdiction s

Hoary Mountain-mint occurs in the province of Ontario, and the recovery strategy was developed by the Province. The Canadian Wildlife Service – Ontario Region, on behalf of the competent minister (the Minister of the Environment), cooperated in the development of the recovery strategy.

Recovery Team Members and Associated Specialists

Donald Kirk (Chair)

Ontario Ministry of Natural Resources

William J. Crins

Ontario Ministry of Natural Resources  

Emma Followes

Ontario Ministry of Natural Resources

Carl Rothfels

Royal Botanical Gardens

Melinda Thompson

Dougan & Associates

Steve Varga

Ontario Ministry of Natural Resources


The Hoary Mountain-mint is under the management jurisdiction of the Government of Ontario.  It is currently listed in regulation under the provincial Endangered Species Act.

The Hoary Mountain-mint was listed as Endangered under the Species at Risk Act (SARA) in January 2003.  SARA (Section 37) requires the competent minister to prepare a recovery strategy for all listed extirpated, endangered or threatened species.  Section 44 of the Act allows the Minister to adopt all or part of an existing plan for the species if it meets the requirements under SARA for content (Section 41(1,2)).

The Ontario Ministry of Natural Resources led the development of this recovery strategy in cooperation with the Canadian Wildlife Service – Ontario Region, Environment Canada.  All responsible jurisdictions reviewed and acknowledged receipt of the strategy.   


Members of the Recovery Team wish to acknowledge Paul O’Hara and the employees of the Royal Botanical Gardens for providing population census data.  In addition, the Recovery Team would like to thank the many individuals who provided technical expertise to assist the development of the recovery strategy for this species.

Executive Summary

This recovery strategy outlines the goals and objectives necessary for the protection and recovery of Canadian populations of Hoary Mountain-mint (Pycnanthemum incanum (L.) Michx.).  The strategy is based on a comprehensive review of current and historical population census data and consultations with knowledgeable individuals.

Recovery objectives identified in this report include the protection and enhancement of extant populations, potential habitat augmentation, and potential restoration of historical populations. Steps to accomplishing these objectives include the protection of core habitats and the identification and elimination of threats to populations through continued monitoring and management.

Many of the recovery objectives identified in this recovery strategy are contingent on the outcome of future research initiatives, as basic knowledge of the species’ habitat requirements, population biology, and propagation requirements is lacking. The strategy outlines and prioritizes research necessary to support the implementation of the identified recovery objectives.  

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