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.

Member since 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.

Member since 2026

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.

Member since 2026

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.

Member since 2026

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.

Member since 2026

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.

Honorary Members Directory

 
   
 
 
 

Member since 1998

William C. Baker

Conservationist and Leader of Save the Bay

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Member since 2001

Nancy J. Bechtol

Horticulturist and Scientific Facility Management

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Member since 2006

George Briggs

Public Gardens Administration and Landscape Architecture

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Member since 2025

Mark Buscaino

Executive Director, Casey Trees

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Member since 2014

Paul Cappiello

Public Gardens Administration, Horticulturist, and Educator

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Member since 2014

Staci L. Catron

Landscape Garden Historian

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Member since 2011

Kenneth D. Cochran

Horticulturist and Educator

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Member since 2021

Susan Cohen

Landscape Architect and Author

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Member since 2017

Bruce Crawford

Public Garden Administration and Horticulturist

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Member since 2010

Spencer E. Crews

Public Garden Administration

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Member since 2019

William Cullina

Public Garden Administration, Author, Expert on Native Plants

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Member since 2013

Peter Del Tredici

Urban Ecology and Climate Change

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