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The oak collection includes over 80 taxa
An attempt to settle the matter of this controversial name
Dr. Suresh Subedi, Assistant Professor at Arkansas Tech University, presented an ongoing project that analyzes herbarium specimens of oaks...
A guest article from renowned author Douglas Tallamy describes the key role native oaks play in sustaining biodiversity.
The Morton Arboretum and United States Botanic Garden (USBG) announce a new partnership to advance the conservation of threatened trees in...
The story of how the IOS logo came into being
A natural hybrid between Quercus lyrata (overcup oak) and Q. virginiana (Southern live oak)
First joint meeting of the Global Conservation Consortium for Oak (GCCO) in the Americas
Despite damage, the Lyytikkylä Oak is still the thickest oak in Finland
In Serbian tradition, in almost every village or hamlet there is at least one tree deemed by the inhabitants to be special.
Last March marked the 10 years since the death of Piers Trehane. It seemed a good opportunity to remember him and his contribution to the...
A Irish garden with a rich history intends to create an oak showcase

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Editor's Picks

Michel Gandoger
While working on a list of synonyms of European White...
Roderick Cameron | Aug 24, 2026
Cover of Select Native Asian Oaks Gap Analysis
Report led by The Morton Arboretum will help prioritize oak...
Website Editor | Aug 06, 2026
A1's 2024 crop of acorns
Motivation I live in the village of Dolné Dubové...
Jozef Čapkovič | Jul 20, 2026

Plant Focus

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

All Articles

The oak collection includes over 80 taxa
An attempt to settle the matter of this controversial name
Dr. Suresh Subedi, Assistant Professor at Arkansas Tech University, presented an ongoing project that analyzes herbarium specimens of oaks...
A guest article from renowned author Douglas Tallamy describes the key role native oaks play in sustaining biodiversity.
The Morton Arboretum and United States Botanic Garden (USBG) announce a new partnership to advance the conservation of threatened trees in...
The story of how the IOS logo came into being
A natural hybrid between Quercus lyrata (overcup oak) and Q. virginiana (Southern live oak)
First joint meeting of the Global Conservation Consortium for Oak (GCCO) in the Americas
Despite damage, the Lyytikkylä Oak is still the thickest oak in Finland
In Serbian tradition, in almost every village or hamlet there is at least one tree deemed by the inhabitants to be special.
Last March marked the 10 years since the death of Piers Trehane. It seemed a good opportunity to remember him and his contribution to the...
A Irish garden with a rich history intends to create an oak showcase

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