Celebrate Earth Day with us as renowned horticulturalist and author Mark Cullen shares his passion for the natural world. April 24 2026, 7:00 – 8:30 pm via WebEx. No Registration Required, but limited to 1000 people to join the WebEx meeting.
Through reflections on two inspiring books —The Light Eaters and Our Green Heart—Mark will explore the beauty, resilience, and wonder of the landscapes that sustain us.
An engaging presentation for gardeners, nature lovers, and anyone who cares about our green future.
Also featuring a special talk by Betty Plewes of Climate Legacy: “Let’s talk climate: what are the risks, and what can you do?”
Printable poster for the OHA Earth Day 2026 celebration
Friday, April 24, 2026
7:00 PM | (UTC-05:00) Eastern Time (US & Canada)
Sign In at: 6:40 pm
No Registration Required – This event will be first-come, first-serve and open to the first 1000 individuals logged on to the WebEx Account
- Join from the meeting link: https://gardenontario.webex.com/gardenontario/j.php?MTID=m02933c0ef105afffa2b052e5fc461151
- Join by meeting number: Meeting number (access code): 2864 762 1710, Meeting password: GJamcBPJ282
- Tap to join from a mobile device (attendees only)
- 1-844-426-4405,,28647621710## Canada Toll Free
- 1-833-311-4101,,28647621710## Canada Toll Free
- Join by phone: 1-844-426-4405 Canada Toll Free or 1-833-311-4101 Canada Toll Free
- Join from a video system or application: Dial
You can also dial 173.243.2.68 and enter your meeting number (2864 762 1710)
