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Home » List of ArbNet-Accredited Arboreta with an IOS Connection

Editor's Picks

Past IOS President Allen Coombes, Curator of Scientific Collections at Puebla University Botanic Garden, discusses leaf variability in Quercus ceirpes (still image from the documentary)
"Oaks: the Backbone of Mexico" – New Documentary Film
A new documentary by Maricela Rodríguez Acosta
Website Editor | Feb 17, 2026
Quercus miyagii acorn and dried leaves
In Search of Quercus miyagii: A Field Report from Okinawa
A rare oak endemic to the Ryukyu Islands of Japan
Elion Jam | Feb 16, 2026
A moss-covered oak (Quercus orocantabrica) in Mata de Albergaria, Peneda-Gerês National Park, Portugal © Amit Zoran
Amit Zohran's "Oakollective"
Steve Potter reviews a new book that features oaks
Steve Potter | Feb 11, 2026

Plant Focus

Quercus canariensis in Cornwall Park, Epsom, Auckland, New Zealand, the champion specimen in New Zealand, planted in the 1920s, 27.2 m tall with a trunk diameter of 209 cm (G. Collett pers. comm. 2026) © Gerald Collett
Species Spotlight: Quercus canariensis Willd.
Antonio Lambe shares his views on this threatened oak native to Iberia and North Africa
Read more

List of ArbNet-Accredited Arboreta with an IOS Connection

These gardens below are institutional members of the International Oak Society or have a strong link to an IOS  member. Click on a garden name to view their website. If your arboretum has been inadvertently omitted from the list, please let us know by writing to websiste@internationaloaksociety.org

 

Arboretum

Location

Arboretum Kalmthout

Belgium

Arboretum Wespelaar

Belgium

Brooklyn Botanic Garden

New York, USA

Chicago Botanic Garden

Illinois, USA

Donald E. Davis Arboretum

Alabama, USA

Grigadale Arboretum

Argentina

Longwood Gardens

Pennsylvania, USA

Morris Arboretum of the University of Pennsylvania

Pennsylvania, USA

Mount Auburn Cemetery

Massachusetts, USA

Polly Hill Arboretum

Massachusetts, USA

Starhill Forest Arboretum

Illinois, USA

Stephen's Lake Park Arboretum

Missouri, USA

Taltree Arboretum & Gardens

Indiana, USA

The Bartlett Tree Research Laboratory and Arboretum

North Carolina, USA

The Holden Arboretum

Ohio, USA

The Morton Arboretum

Illinois, USA

The University of Oxford Botanic Garden & Harcourt Arboretum

United Kingdom

UC Davis Arboretum

California, USA

Westonbirt, The National Arboretum

United Kingdom