Upcoming Events

Instructor: Andalyne Tofflemire Fee: $94 (plus HST) per person if you register by the early bird deadline of July 6, 2026. After July 6 the fee is $104 plus HST. This workshop has been designed to educate participants about butterflies and how to identify them in the wild. Topics covered include, butterfly natural history, capture techniques, field identification, tagging, migration, and creating and maintaining butterfly habitat. The workshop concludes outside catching and identifying the butterflies of The Arboretum. Registrants in attendance will receive...

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....

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....

Instructor: Joseph Langlois Fee: $85 (plus HST) per person if you register by the early bird deadline of July 17, 2026. After July 17 the fee is $95 plus HST. Ever heard of a plant gall? Even if you haven't, you've likely seen one before! Galls are among the most overlooked signs of biodiversity around us, appearing as strange lumps, bumps, and growths on plants. They come in an incredible variety of shapes, sizes, colours, and forms, and can be found in nearly every terrestrial habitat. While they may look like a natural part of the plant, galls are...

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....

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: 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. If you’ve ever been interested in getting into the ever-increasingly popular hobby of birding, this workshop is for you! We’ll explore how to approach bird identification, the essential tools of the trade, and the incredible resources available to help you build confidence in the field. You’ll also learn practical tips for improving your observation skills and becoming a more effective birder...

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: 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). This full-day program helps participants refine their skills to identify trees in Ontario. The focus of the workshop is on learning the important identification characteristics of difficult tree groups such as the cherry, oak and walnut families as well as the easier groups such as ash and maple. The afternoon is spent outside identifying trees in the forest as well as young...

Instructor: D'Arcy Meloche Fee: Fee: $65 (plus HST) per person, per session if you register by the early bird deadline 8 days prior to the workshop (ie. May 21 / July 2 / September 18). After the early bird deadline the fee is $75 plus HST. Step into the healing power of nature with a guided Shinrin Yoku session at the Arboretum in Guelph. Also known as “forest bathing,” Shinrin Yoku is a gentle, meditative practice that originated in Japan, inviting you to slow down, awaken your senses, and deepen your connection to the natural world. Over the course of...