Join the Guelph Arboretum for a workshop on the Galls of Southern Ontario – explore their incredible diversity, how they form, the organisms behind them, and so much more. This hybrid workshop will begin indoors with an introduction to gall biology, followed by an outdoor exploration in The Arboretum, where we’ll search for galls in the field. *Maximum 18 adults.
Fee: $94 (plus HST) per person if you register by the early bird deadline of August 19, 2025. After August 19 the fee is $104 plus HST.
ISA CEUs have been applied for.