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Editor's Picks

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An intercontinental artifical hybrid raised at Arboretum...
Roderick Cameron | Apr 12, 2020
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David More shares some of his magnificent illustrations of...
David More | Apr 08, 2020
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A project aims to recover and restore habitats in Serra de...
Justin Roborg-Söndergaard | Apr 07, 2020

Plant Focus

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First described by the Japanese botanist Bunzō Hayata in 1913, Quercus hypophaea is a medium to large evergreen oak restricted to the...

Oak Open Days

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

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

Czech Republic Oak Open Days

The house at Plaček Quercetum

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

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

UK Oak Open Days 2015

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

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

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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.

Clonal Propagation of Oaks

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On Sunday, 22nd of September 2013, about 30 oak enthusiasts gathered at Pavia Nurseries in Deerlijk, Belgium for an Oak Open Day that was to be devoted to clonal propagation of oaks.

A Sunny Day in the UK

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On the morning of July 29, 40 oak enthusiasts from Belgium, the Czech Republic, France, the Netherlands, Italy, and the United Kingdom met in Jermyn’s House at the Sir Harold Hillier Gardens for the first Oak Open Day of the year.

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