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Georgia oak is known from 15 counties in Georgia and possibly small pockets in Alabama, with an unverified report in North Carolina. One of...
Michael Avishai discusses observations regarding mating in isolated species in Israel. Originally published in Oak News & Notes Vol. 18...
Eastwoodhill is the National Arboretum of New Zealand, located on the East Coast of the North Island 35 km northwest of Gisborne. It is...
Latest in our series on Oak Artists is an interview with Swedish photographer Gustaf Emanuelsson, whose photos of the Oak of Kvill were...
A double Oak Open Day: Christine Battle's Congrove Arboretum followed by a visit to the National Arboretum at Westonbirt.
Rain, mud, mosquitos, great trees, and wonderful people, all contributed to a successful Oak Open Day event held in Mississippi, June 27-29...
IOS member Peter Laharrague's arboretum, San Miguel, is located near the town of Coronel Pringles in Argentina, at 38 degrees below the...
When Christine and Ben Battle moved into Congrove Cottage in Upton Cheyney, near the city of Bath in the United Kingdom, they did not know...
IOS member Christine Battle has always had an interest in botanical art. Though she was only 14 when she was first smitten by a print of...
Originally published in International Oaks No. 20, this article by Stefan Foconi tells the story of the remarkable Oak of Kvill, in Sweden...
Charles Williams describes the evergreen oaks in Caerhays' collection, many of which are historic plants resulting form seed collected in...
From October 24 to November 17, 2013, Olivier Colin, Charles Snyers, and Béatrice Chassé explored Northern Vietnam with the aim of finding...

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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

Georgia oak is known from 15 counties in Georgia and possibly small pockets in Alabama, with an unverified report in North Carolina. One of...
Michael Avishai discusses observations regarding mating in isolated species in Israel. Originally published in Oak News & Notes Vol. 18...
Eastwoodhill is the National Arboretum of New Zealand, located on the East Coast of the North Island 35 km northwest of Gisborne. It is...
Latest in our series on Oak Artists is an interview with Swedish photographer Gustaf Emanuelsson, whose photos of the Oak of Kvill were...
A double Oak Open Day: Christine Battle's Congrove Arboretum followed by a visit to the National Arboretum at Westonbirt.
Rain, mud, mosquitos, great trees, and wonderful people, all contributed to a successful Oak Open Day event held in Mississippi, June 27-29...
IOS member Peter Laharrague's arboretum, San Miguel, is located near the town of Coronel Pringles in Argentina, at 38 degrees below the...
When Christine and Ben Battle moved into Congrove Cottage in Upton Cheyney, near the city of Bath in the United Kingdom, they did not know...
IOS member Christine Battle has always had an interest in botanical art. Though she was only 14 when she was first smitten by a print of...
Originally published in International Oaks No. 20, this article by Stefan Foconi tells the story of the remarkable Oak of Kvill, in Sweden...
Charles Williams describes the evergreen oaks in Caerhays' collection, many of which are historic plants resulting form seed collected in...
From October 24 to November 17, 2013, Olivier Colin, Charles Snyers, and Béatrice Chassé explored Northern Vietnam with the aim of finding...

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