Past Events

Instructor: Shelley Hunt Fee: $94.00 (plus HST) per person if you register by the early bird deadline of September 11. If you register after September 11 the fee is $104 (plus HST).

Instructor: Giulia Pozzi Fee: Fee: $55 (plus HST) per person if you register by the early bird deadline of August 27, 2026. After August 27 the fee is $65 plus HST. Registration is for all 6 sessions.  Join Giulia, a mother, artist, and certified Nature and Forest Therapy Guide in a series of low-key, slow-paced, and restorative Forest Therapy sessions.

A community celebration of trees and the many exciting things happening in the Arboretum lands! Join us for tours of the grounds, trails, gardens, research projects, tree climbing demonstrations, and an in-person plant sale. Take home an interesting woody plant, grown in the Arboretum greenhouse and tended to by our dedicated staff and volunteers. See the complete list of activities, events and performances.

Join us for the Arboretum Expo kick-off event, Music Among the Trees, featuring Canadian folk singer-songwriter Katherine Wheatley. This event supports the annual Arboretum Expo, celebrating people, nature and their interconnections.  Music begins: 7:00 PM Tickets: $20 To purchase tickets and for more information, visit Arboretum Expo.

Instructor: Giulia Pozzi Fee: Fee: $55 (plus HST) per person if you register by the early bird deadline of August 27, 2026. After August 27 the fee is $65 plus HST. Registration is for all 6 sessions.  Join Giulia, a mother, artist, and certified Nature and Forest Therapy Guide in a series of low-key, slow-paced, and restorative Forest Therapy sessions.

Established in 1970, The Arboretum has grown into a diverse landscape of gardens, natural areas, and research collections. Join us on this hike to learn a little more about the space! This free, outdoor program is part of The Arboretum’s Summer Nature Series, generously supported by TD Friends of the Environment Foundation. Programs are designed for all experience levels. Please dress for the weather and wear appropriate footwear for uneven trails. Fee: FREE (Registration required)

Instructor: Giulia Pozzi Fee: Fee: $55 (plus HST) per person if you register by the early bird deadline of August 27, 2026. After August 27 the fee is $65 plus HST. Registration is for all 6 sessions.  Join Giulia, a mother, artist, and certified Nature and Forest Therapy Guide in a series of low-key, slow-paced, and restorative Forest Therapy sessions.

Instructor: Joseph Langlois Fee: $54 (plus HST) per person if you register by the early bird deadline of August 14, 2026. After August 14 the fee is $64 plus HST.

Insects are the small but mighty organisms that keep our ecosystems running. In this hands-on program, participants will learn how to safely catch, observe, and identify a variety of insects found in The Arboretum. Nets will be provided for use during the program. This free, outdoor program is part of The Arboretum’s Summer Nature Series, generously supported by TD Friends of the Environment Foundation. Programs are designed for all experience levels. Please dress for the weather and wear appropriate footwear for uneven trails. Fee: FREE (Registration required)

Instructor: Shelley Hunt Dates: Tuesdays, July 7, 14, 21 and 28, 2026 Fee: 50 (plus HST) per person for the 4 session program. Ontario has dozens of native shrub species, from dogwoods to viburnums, blackberries to spicebush, and everything in between. Where to start in learning to identify them? In this workshop, spread over 4 zoom sessions, we will cover basic shrub morphology and learn the key ID features of a wide variety of these diverse woody plants. The 4th session will include a virtual tour of shrubs in the Arboretum's collections.