Mangaves: What the %$! are they? - with Gerhard Bock, an in depth look at the new world of mangaves. October 2023
Growing Alpines in the Schachen Alpine Garden - with Jenny Wainwright-Klein, supervisor, Alpine Propagation Unit, Alpine Garden on the Schachen, Munich-Nymphenburg Botanical Garden
September 2023
Plant Disease Diagnostic Tips: Infectious or Non-Infectious - with Ann Northrup, Plant Pathologist, ISA Certified Arborist, August 2023
When the Universe Offers You a Landmark Garden, Say Yes - with Hadley Dynak, co-owner Western Hills Garden
May 2023
Colloquium on the impact of Recent Weather Events - January 2023 with: Joseph Rothleutner, Director, Gardens of Golden Gate Park
Andy Stone, Park Section Supervisor, Golden Gate Park
Jim Salyards, Director of Horticulture, Filoli
Walker Young, Assistant Curator, Ruth Bancroft Garden
Andrew Doran, Director of Collections, UC Botanical Garden at Berkeley
Bart O’Brien, Botanic Garden Manager, Regional Parks Botanic Garden at Tilden Regional Parks