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Oaks planted in circles as a continuation of the artwork initiated by Joseph Beuys in the 1980s.
If you love oaks, you need this book.
Chestnut-leaf oak in habitat and in cultivation
The Symposium "Mexican Oaks: Current State of Knowledge about Quercus and its Conservation" was held on September 1, 2025.
A human life and an oak through the seasons
Visits to two gardens with collections of oaks and other Fagaceae
Plaques presented during the Gala Dinner in Oaxaca
140 participants from 20 countries attended the Triennial Conference
Oak barrels are used to age wine and spirits
An oak endemic to Turkey
A hybrid with surprising fall color
In August of this year, traditionally a quiet month for news, the UK’s Sunday Times ran a story headed “

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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)
A new documentary by Maricela Rodríguez Acosta
Website Editor | Feb 17, 2026
Quercus miyagii acorn and dried leaves
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
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
Antonio Lambe shares his views on this threatened oak native to Iberia and North Africa

All Articles

Oaks planted in circles as a continuation of the artwork initiated by Joseph Beuys in the 1980s.
If you love oaks, you need this book.
Chestnut-leaf oak in habitat and in cultivation
The Symposium "Mexican Oaks: Current State of Knowledge about Quercus and its Conservation" was held on September 1, 2025.
A human life and an oak through the seasons
Visits to two gardens with collections of oaks and other Fagaceae
Plaques presented during the Gala Dinner in Oaxaca
140 participants from 20 countries attended the Triennial Conference
Oak barrels are used to age wine and spirits
An oak endemic to Turkey
A hybrid with surprising fall color
In August of this year, traditionally a quiet month for news, the UK’s Sunday Times ran a story headed “

Pages

The International Oak Society acknowledges the generous support of the following institutions:

Supporting Institutional Members

 

Standard Institutional Members

Rice University
San Diego Botanic Garden logo
San Diego Zoo Wildlife Alliance logo
South Carolina Botanical Garden

 

The Huntington
The John Fairey Garden