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This renowned Quercus robur caught the eye of an artist and concealed refugees.
The Red List of Oaks 2020 has been published, detailing the completed IUCN Red List threat assessments for oaks.
Quercus skinneri is a Central American oak, distinguished by the large size of its fruit.
In early November Trompenburg Arboretum announced the sad news that Riet van Hoey Smith had died on October 24th, aged 97.
David "Dave" Varel of Albers, Illinois passed away September 6, 2020.
Marcescent leaves persist on deciduous trees through winter.
A guest post by Matt Candeias, host of the In Defense of Plants podcast and blog
One of the world's leading oak collections is located in Basque Country, northern Spain.
An homage to the oak tree and the important role it plays today, in our landscape and in our lives
The Global Conservation Consortium for Oak (GCCO) sent out their first quarterly newsletter in late July.
A massive Quercus robur stands outside the village of Mercheașa, a quiet rural locality in central Romania.
A 691-acre arboretum in Great River, New York, USA, with a collection of native and non-native oaks.

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Motivation I live in the village of Dolné Dubové...
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Plant Focus

Quercus afares, Kew, © James MacEwen
The only oak species endemic to Africa is rare in cultivation. It shouldn't be.

All Articles

This renowned Quercus robur caught the eye of an artist and concealed refugees.
The Red List of Oaks 2020 has been published, detailing the completed IUCN Red List threat assessments for oaks.
Quercus skinneri is a Central American oak, distinguished by the large size of its fruit.
In early November Trompenburg Arboretum announced the sad news that Riet van Hoey Smith had died on October 24th, aged 97.
David "Dave" Varel of Albers, Illinois passed away September 6, 2020.
Marcescent leaves persist on deciduous trees through winter.
A guest post by Matt Candeias, host of the In Defense of Plants podcast and blog
One of the world's leading oak collections is located in Basque Country, northern Spain.
An homage to the oak tree and the important role it plays today, in our landscape and in our lives
The Global Conservation Consortium for Oak (GCCO) sent out their first quarterly newsletter in late July.
A massive Quercus robur stands outside the village of Mercheașa, a quiet rural locality in central Romania.
A 691-acre arboretum in Great River, New York, USA, with a collection of native and non-native oaks.

Pages

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

Supporting Institutional Members

The John Fairey Garden

Standard Institutional Members

Bartlett Tree Experts logo
Catalina Island Conservancy logo
Forrest Keeling Nursery logo
Houston Botanic Garden logo
KOAGI logo
Oak Spring Foundation
Rice University
San Diego Botanic Garden logo
San Diego Zoo Wildlife Alliance logo
South Carolina Botanical Garden
The Huntington