Past Events

Instructor: Robert Pavlis Fee: $10 (plus HST) per person, per session or sign up for all 7 and get one free ($60 instead of $70). Please note: You must sign up for all 7 at once in a single transaction to receive the discount.

Instructor: Christa Wise and Wild Ontario Fee: $16 (plus HST) per person, per session (evening). Join us for an Owl Prowl that brings together the expertise of Wild Ontario and The Arboretum Naturalists for an educational evening featuring these incredible birds.

Instructor: Joseph Langlois Fee: $105 (plus HST) per person if you register by the early bird deadline of January 15, 2026. After January 15 the fee is $115 (plus HST).

Instructor: Shelley Hunt Dates: Thursdays, January 15, 22, 29, February 5, 2026 Fee: $50 (plus HST) per person for the 4 session program.

Instructor: Trevor Chandler and / or Michael Wright Fee: $19 (plus HST) per person, per session. Please note these programs are non-refundable once you register and pay for them.

Instructor: Robert Pavlis Fee: $10 (plus HST) per person. Unravel the mysteries of the Orchid. Orchids are considered to be hard to grow, and a plant that only an expert should tackle. Nothing is further from the truth – they are some of the easiest house plants to grow and some will flower for 10 months non-stop. This presentation will help you understand these beautiful plants and show you how to take care of them so that they bloom year after year.

Instructor: Shelley Hunt Dates: Thursdays, January 15, 22, 29, February 5, 2026 Fee: 50 (plus HST) per person for the 4 session program.

Insrtuctor: Trevor Chandler and / or Michael Wright Fee: $19 (plus HST) per person, per session. Please note these programs are non-refundable once you register and pay for them.

Instructor: Sean Fox Fee:  $90.00 (plus HST) per person if you register by the early bird deadline of September 3. If you register after September 3 the fee is $100 (plus HST). Note: If we don't have enough registrations by the early bird deadline, the course may be cancelled.

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.