Use secure services with credit card or PayPal. If you prefer, call us at 416-737-1792 and contribute using Visa, American Express or Mastercard. Or simply mail a cheque to:

Canadian TREE Fund 
16 Murdock Avenue
Aurora, ON L4G 5E5


    Guardian Tree Systems
    "The phrase "pay it forward" accurately and concisely reflects my thoughts. It's important to give back so that the industry’s future remains strong and continues to evolve."
    - Mike Raaymaker, Platinum Donor
    Skratt's Tree Service Inc.
    "I donate to give something back to an industry that has provided my livelihood for many years. Supporting tree research and education will help ensure that our industry and our trees will benefit future generations for years to come."
    - Mike Skratt, Platinum Donor
Randy Lidkea Past Recipients
  • 2017 Celia Le Maistre-Matthys
  • 2016 Miriam Elsworthy
  • 2015 Tracy Qiu
  • 2014 Kristen Sandvall
  • 2013 Melissa Spearing
  • 2012 Marie Telesphore
  • 2011 Laura Caddy
  • 2010 Christine van den Bogerd
  • 2009 Blair Delazzer
  • 2008 Sue Pfeiffer

Courses Considered

Arboriculture I
Arboriculture II
Practical Tree Maintenance (non-credit compulsory course)
Soils I
Soils II
Plant Identification IV
Plant Identification V & VI