Volunteer Opportunities 


Next Sessions

High Park Stewards meet on the 2nd & 4th Sundays of each month, rain or shine.







2017 Upcoming Sessions

Garlic Mustard Busting May 28, 2017

10:30 am to 12:30 pm

The High Park Stewards have been removing Garlic Mustard from a number of sites within the park for many years. Protocols on how best to control GM are changing all the time and we are always upgrading our skills.

We are able to notice a real positive effect from our work but there is still lots to do.

As many people as possible are needed as there is no end of this plant in High Park. Full Pingg Invite

Meet us in front of the Grenadier Restaurant at 10:30 am. Tools provided. Please bring water, a hat, and cover your arms and legs.

The Boulevard Beds group will also be working on our demonstration gardens located on the perimeter of the Grenadier Restaurant. A few people are needed to join them.

The Biodiversity and Education Awareness Network BEAN has excellent information on keeping this species from further damaging our forests.

Also see:


For our hands-on work, all Stewards need to sign a City waiver document once a year. To save time at the sessions please print and fill out these 2 pages prior to coming (beginning Feb. 12, 2017). We will also have them on site. Enter the dates as 12 months From Jan 1, 2017 To Dec. 31, 2017

Waiver Form


Garlic Mustard is an extremely aggressive invasive plant in woodland areas. Not only does it crowd out almost every other type of plant but is has an allelopathic agent that hinders their growth. Once removed native species can be planted to restore some biodiversity. Areas where GM has been removed need to be monitored and tended for at least 5 years as there is a strong seedbank and root system left behind.

Garlic Mustard can have very deep roots
removal early in the season is much easier
Garlic Mustard
yes, it does smell like garlic and mustard


2017 Upcoming Sessions

About our stewardship program

Becoming a Buckthorn Buster
photo from October 2015
End of Year Pot-Luck Lunch
November 27, 2016
We love to transplant in the Greenhouse
preparing plants for our sale and for the park
Buckthorn busting is great for students
collect volunteer hours
Buckthorn Busters 2015
November 22, 2015
We have planted in 5 sites in the last 5 years
June 2015
Planting in the All-Star site
June 2009
Seeds Cleaning is a favourite activity
February 2015

Upcoming sessions

Schedule for 2017, subject to change based on weather and need

2017 Winter and Spring Sessions

Boulevard Beds Work Schedule

  • Jan. 22 - Stewards 20th anniversary
  • Feb. 12 - Greenhouse - Seed cleaning
  • Feb. 26 - Presentation - Biological control of Invasive plant species with W.D. McIlveen
  • March 12 - Greenhouse - Transplanting (existing stewards only, space is limited) SET CLOCKS AHEAD ONE HOUR SAT. NIGHT
  • March 26 - Presentation - Native Plants in your garden with Lorraine Johnson
  • April 9 - Nursery Cleanup (and BBeds Fence Post installation)
  • April 23 - Friends of the Greenbelt Foundation: protection of water and Toronto's ravines; creating complete communities through urban intensification. (and BBeds Fence Post installation)
  • May 7 - Native Plant Sale at the Greenhouse
  • TBA - BBeds special session: remove cold season grasses & weeds/transplant wildflowers & grasses

2017 summer and fall sessions

  • May 28 - Garlic Mustard Removal (and BBeds remove cold season grasses & weeds/transplant wildflowers & grasses
  • June 11 - Spring planting (and BBeds laying sand on beds - extra time needed?
  • June 25 - Invasive plant Removal (and BBeds planting of wildflowers and grasses
  • July 9 - Invasive plant Removal (and BBeds maintenance - remove weeds, litter, & water)
  • July 23 - Invasive plant Removal (and BBeds maintenance)
  • Aug 13 - Invasive plant Removal (and BBeds maintenance)
  • Aug 27 - Invasive plant Removal (and BBeds maintenance)
  • Sept 10 - Fall planting (and BBeds fall planting/transplant wildflowers & grasses)
  • Sept 24 - Seed collecting (and BBeds fall planting/transplant wildflowers & grasses)
  • Oct 22 - Buckthorn Busting (and BBeds remove cold season grasses & weeds/raking/cut back perennials and grasses/harvest and scatter seeds
  • Nov 12 - Buckthorn Busting (and BBeds remove cold season grasses & weeds/raking/cut back perennials and grasses)
  • Nov 26 - Buckthorn Busting and Pot-luck lunch (and BBeds prepare bbeds for winter)

The Elite Squad which holds special sessions removing invasive species like garlic mustard is looking for a group leader. Contact stewards@highparknature.org if you would like to be the group leader.

High Park Stewards Facebook Invasive Squad info

The Boulevard Bed Squad will be determining their schedule, with monthly maintenance of the beds spring to fall. Contact stewards@highparknature.org if you would like to join them.

Outdoor sessions are dependent on weather and growing conditions and what is determined to be the greatest need for our volunteer efforts.


High Park Stewards meet on the second and fourth Sundays of each month, rain or shine.


About the High Park Stewards and 2016 Past Sessions


Follow us on and on High Park Stewards Facebook Group

2015 session dates and draft topics and the Stewards 2014 Brochure

If you would like to be added to the list please email stewards@highparknature.org.


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Content last modified on May 20, 2017, at 07:10 PM EST