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This book is a thorough account of the 150-year tradition of Hillier’s and treats readers to the people, the places, and the plants that...
This unusual hybrid was described by Paul Thomson in 1977 from a location in Lafayette County, Missouri. 
Damaged scrub oak habitat in central Florida is being restored—one acorn at a time.
The aim of this brief essay by Francisco Vázquez is to set out the more frequently encountered morphological variations in the genus ...
In collaboration with BGCI and the IUCN/SSC Global Tree Specialist Group, The Morton Arboretum has launched a project to complete threat...
An Estonian oak that stands in the middle of a sports stadium has won the European Tree of the Year contest.
Scientists from The Morton Arboretum and Chicago Botanic Garden are  conducting a conservation genetics project to compare levels of...
Gallipoli oaks are being planted to commemorate First World War Centenary.
A brief survey of notable oaks at Anlaby, currently the largest collection of National Trust registered heritage trees in one location...
Seeking alternatives for adding rare oaks to collections.
A Mediterranean oak with a long-standing relationship with humanity.
An English oak planted in Adelaide, Australia, shortly after the outbreak of World War 1, may be the first living memorial of the Great War...

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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

This book is a thorough account of the 150-year tradition of Hillier’s and treats readers to the people, the places, and the plants that...
This unusual hybrid was described by Paul Thomson in 1977 from a location in Lafayette County, Missouri. 
Damaged scrub oak habitat in central Florida is being restored—one acorn at a time.
The aim of this brief essay by Francisco Vázquez is to set out the more frequently encountered morphological variations in the genus ...
In collaboration with BGCI and the IUCN/SSC Global Tree Specialist Group, The Morton Arboretum has launched a project to complete threat...
An Estonian oak that stands in the middle of a sports stadium has won the European Tree of the Year contest.
Scientists from The Morton Arboretum and Chicago Botanic Garden are  conducting a conservation genetics project to compare levels of...
Gallipoli oaks are being planted to commemorate First World War Centenary.
A brief survey of notable oaks at Anlaby, currently the largest collection of National Trust registered heritage trees in one location...
Seeking alternatives for adding rare oaks to collections.
A Mediterranean oak with a long-standing relationship with humanity.
An English oak planted in Adelaide, Australia, shortly after the outbreak of World War 1, may be the first living memorial of the Great War...

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