HONORARY MEMBERSAligning Expertise With Purpose
Since 1916, the GCA has recognized the extraordinary achievements of more than 400 honorary members in the fields of horticulture or conservation, or whose knowledge and interests align with the GCA purpose.
With appreciation for their achievements, the GCA welcomes the following new honorary members for 2026.
MaryLynn Mack
Executive Director, Memphis Botanic Garden
“In all of my interactions with MaryLynn over the years, she has repeatedly demonstrated that she is one of the key leaders in our field. Her efforts to push the entire public garden sector forward cannot be overstated.”
Signe Nielsen
Landscape Architect
“A passionate advocate for public space, Signe and her designs are renewing the landscape of New York City while shaping generations of designers.”
Dean Norton
Director of Horticulture and Livestock Emeritus, George Washington's Mount Vernon
“For five decades, Dean has devoted his career to the restoration and conservation of the design and history of George Washington's Mount Vernon estate and gardens, while generously sharing his extensive knowledge.”
David Rubin
Landscape Architect
“Using an empathic and interdisciplinary approach to ensure landscape design works positively on behalf of others, David embraces the character of the region and its constituents.”
Ken Schutz
Executive Director, Desert Botanical Garden (2001-2025)
“Through transformational leadership, Ken reimagined the Desert Botanical Garden as one of Arizona's most vibrant and celebrated cultural institutions.”
















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