Editor's Picks

Oaks in Scotland: An Unresolved Question?

Is Q. robur invading Q. petraea populations or is it the...

Steve Potter | Apr 17, 2025

Species Spotlight: Quercus carduchorum K.Koch

A rare species from the Zagros forests in Iran

Website Editor | Apr 17, 2025

The Origin, Locations, and Date of Planting of Colonial Williamsburg’s Compton Oak

The landmark oak was found as a naturally occurring hybrid

Ricklin Brown | Apr 05, 2025

Plant Focus

Quercus kotschyana fruit and leaves in Jaj cedars nature reserve

Species Spotlight: Quercus kotschyana O.Schwarz

A rare oak endemic to Lebanon.

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

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List of ArbNet-Accredited Arboreta with an IOS Connection

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