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Editor's Picks

Ancient Oaks and Biodiveresity page 1
Aljos Farjon FLS reports on the biodiversity of High Park,...
Website Editor | Jun 28, 2024
David Oliver and the northernmost oak (to date)
Oaks found close to the 70th parallel north
DW Oliver | Jun 28, 2024
Action Oak Report 2023-24
Action Oak is a unique collaboration of charities,...
Annabel Narayanan | Jun 26, 2024

Plant Focus

Quercus peninsularis
A Red Oak (Section Lobatae) endemic to inland ranges of northern Baja California, Mexico

Oak Open Days

Texas Oak Open Days - October 12–16, 2023

Group photos Texas OODs

Five days of oaking in the Lone Star State.

Oak Open Days in Wales: Penrice and Glanusk

European Oak Open Days 2019

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Fourteen participants mustered in Yorkshire, UK, on June 17th to commence the 2019 European Oak Open Days, having found their way from Czech Republic, Belgium, France, Germany, the Netherlands, and even the UK. 

Blowing Out 25 Candles at Starhill

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The International Oak Society celebrates its 25th anniversary at Starhill Forest Arboretum.

Czech Republic Oak Open Days

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Twenty-six participants from ten countries arrived to take part in the European celebration of the IOS’s twenty-fifth birthday at Dušan Plaček’s Quercetum near Podĕbrady in the Czech Republic. 

Oak Open Days in Argentina

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The first IOS Oak Open Day event south of the Equator took place April 22-24, 2016, in Argentina.

UK Oak Open Days 2015

Gredington

In July 2015 a group of IOS members visited Gredington in north Wales and Ness Botanic Garden near Liverpool, England.

Oak Open Days at Trompenburg Arboretum

Group at Trompenburg

IOS Board member Gert Fortgens welcomed around 30 participants to a most enjoyable two-day "Oak Open Days" event at Trompenburg Arboretum in Rotterdam, Netherlands, on August 28 and 29, 2014.

Oak Open Days in Gloucestershire, UK - July 6-7, 2014

Quercus monimotricha

A double Oak Open Day: Christine Battle's Congrove Arboretum followed by a visit to the National Arboretum at Westonbirt.

Oaks in Aiken

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Oak Open Days were held in the incomparable setting of Aiken, SC, during the first weekend of November 2013.

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