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European Tree of the Year 2015: A Stadium-bound Estonian Oak

By Roderick Cameron | March 9, 2015
Orisaree Oak at night - Photo: ©Kalmer Saar

An Estonian oak that stands in the middle of a sports stadium has won the European Tree of the Year contest.

Quercus georgiana Conservation Genetics Project

By Murphy Westwood | March 9, 2015
q_georgiana_stonemt-2013-4_sxguy_-_copy.jpg

Scientists from The Morton Arboretum and Chicago Botanic Garden are  conducting a conservation genetics project to compare levels of genetic diversity between ex situ collections and individuals sampled from remaining wild populations of Quercus georgiana. 

The Gallipoli Oaks Project

By Roderick Cameron | March 8, 2015
gallipoli_oak_porject.jpg

Gallipoli oaks are being planted to commemorate First World War Centenary.

Vegetative Propagation of Oaks in Iturraran

By Website Editor | March 8, 2015
quercus_delgadoana_-_copy.jpg

Seeking alternatives for adding rare oaks to collections.

Valonia Oak Restoration Project, Castlemaine, Victoria

By Roderick Cameron | December 3, 2014
vhd.jpg

A restoration project that will be of interest to IOS members is taking place in the Australian state of Victoria. A plantation of valonia oak (Quercus ithaburensis subsp. macrolepis) at Castlemaine, Victoria, dating to the late 19th century, has suffered deterioration due to a decade of drought, and only three of the original 14 trees are still alive. Acorns are being collected from the surviving trees with a view to producing new trees to replant and restore the historic stand.

Mating in Single Oaks

By Michael Avishai | August 22, 2014
Michael Avishai with Q. pontica

Michael Avishai discusses observations regarding mating in isolated species in Israel. Originally published in Oak News & Notes Vol. 18, No. 1

7th International Oak Society Conference - Bordeaux, France - Sep. 29 to Oct. 2, 2012

By Béatrice Chassé | October 27, 2012

In collaboration with INRA and the University of Bordeaux, the 7th International Oak Society Conference, attended by 90 participants from 17 countries, included 21 presentations, two field trips (INRA, Pierroton and the Tonnellerie Nadalié) and a gala dinner in the magnificent Château Carbonnieux.

A New Oklahoma Station for Quercus sinuata var. breviloba

By Allan Taylor | December 14, 2010

A previously unreported station for Quercus sinuata var. breviloba has recently been identified in southwestern Custer County, Oklahoma. 

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Editor's Picks

Yoko and John planting acorns
Yoko’s Oaks
"Japanese oaks" planted at Coventry Cathedral
Steve Potter | Dec 21, 2025
Group with Quercus macdougallii
Post-Conference Tour: Oaxaca
Six days exploring Oaxaca’s oak diversity, as reported by...
Wally Wilkins | Dec 10, 2025
One of the first planted circles on Hampton Common, London, in partnership with Orleans House Gallery 2025. © Studio Ackroyd & Harvey
Virtuous Circles: Oaks and the Art of Ackroyd & Harvey
Oaks planted in circles as a continuation of the artwork...
Steve Potter | Dec 10, 2025

Plant Focus

Champion Quercus castaneifolia in Iran
Species Spotlight: Quercus castaneifolia C.A.Mey
Chestnut-leaf oak in habitat and in cultivation
Read more

Dendrology

European Tree of the Year 2015: A Stadium-bound Estonian Oak

By Roderick Cameron | March 9, 2015
Orisaree Oak at night - Photo: ©Kalmer Saar

An Estonian oak that stands in the middle of a sports stadium has won the European Tree of the Year contest.

Quercus georgiana Conservation Genetics Project

By Murphy Westwood | March 9, 2015
q_georgiana_stonemt-2013-4_sxguy_-_copy.jpg

Scientists from The Morton Arboretum and Chicago Botanic Garden are  conducting a conservation genetics project to compare levels of genetic diversity between ex situ collections and individuals sampled from remaining wild populations of Quercus georgiana. 

The Gallipoli Oaks Project

By Roderick Cameron | March 8, 2015
gallipoli_oak_porject.jpg

Gallipoli oaks are being planted to commemorate First World War Centenary.

Vegetative Propagation of Oaks in Iturraran

By Website Editor | March 8, 2015
quercus_delgadoana_-_copy.jpg

Seeking alternatives for adding rare oaks to collections.

Valonia Oak Restoration Project, Castlemaine, Victoria

By Roderick Cameron | December 3, 2014
vhd.jpg

A restoration project that will be of interest to IOS members is taking place in the Australian state of Victoria. A plantation of valonia oak (Quercus ithaburensis subsp. macrolepis) at Castlemaine, Victoria, dating to the late 19th century, has suffered deterioration due to a decade of drought, and only three of the original 14 trees are still alive. Acorns are being collected from the surviving trees with a view to producing new trees to replant and restore the historic stand.

Mating in Single Oaks

By Michael Avishai | August 22, 2014
Michael Avishai with Q. pontica

Michael Avishai discusses observations regarding mating in isolated species in Israel. Originally published in Oak News & Notes Vol. 18, No. 1

7th International Oak Society Conference - Bordeaux, France - Sep. 29 to Oct. 2, 2012

By Béatrice Chassé | October 27, 2012

In collaboration with INRA and the University of Bordeaux, the 7th International Oak Society Conference, attended by 90 participants from 17 countries, included 21 presentations, two field trips (INRA, Pierroton and the Tonnellerie Nadalié) and a gala dinner in the magnificent Château Carbonnieux.

A New Oklahoma Station for Quercus sinuata var. breviloba

By Allan Taylor | December 14, 2010

A previously unreported station for Quercus sinuata var. breviloba has recently been identified in southwestern Custer County, Oklahoma. 

Pages

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

Supporting Institutional Members

Denver BG Logo
The Morton Arboretum logo
San Antonio Botanical Garden logo
 

Standard Institutional Members

Bartlett Tree Experts logo
Catalina Island Conservancy logo
Forrest Keeling Nursery logo
Houston Botanic Garden logo
 
Rice University
San Diego Botanic Garden logo
San Diego Zoo Wildlife Alliance logo
The Huntington
The John Fairey Garden