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    Bayard Cutting Arboretum

    Kevin Wiecks presents this 691-acre arboretum in Great River, New York, USA, with a collection of native and non-native oaks, which aims to foster a greater appreciation of informal planting

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  • quercus_bokrijk_2.jpg
    Bokrijk Cultivars

    Six oak cultivars selected at Bokrijk Arboretum in Belgium were originally described by Jef Van Meulder

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  • Quercus stenophylloides © Ming-I Weng
    Species Spotlight: Quercus stenophylloides Hayata

    Completing a triptych of articles on endemic Taiwanese oaks, this time Joeri Strijk focuses on Quercus stenophylloides, an elegant narrow-leaved oak whose acorns are favored by Asian black bears

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  • leaves_4.jpg
    David More's Illustrated Oaks

    Preview of a work in progress that will illustrate Quercus species and cultivars from all over the globe

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  • Quercus arkansana
    Donate to Conserve Oaks!

    In response to the overwhelming support of oak research and conservation expressed by our members, the IOS is officially launching its Oak Conservation and Research Fund

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Editor's Picks

A massive Quercus robur stands outside the village of...
Roderick Cameron | Aug 16, 2020
An article published in Scientific American recounts how...
Website Editor | Aug 13, 2020
Quercus alba at Melbourne Botanic Gardens
One of the largest oaks at Melbourne’s Royal Botanic...
Tim Entwisle | Aug 09, 2020

Plant Focus

Six oak cultivars originally described by Jef Van Meulder in 2014.

Latest Articles

An homage to the oak tree and the important role it plays today, in our landscape and in our lives
A 691-acre arboretum in Great River, New York, USA, with a collection of native and non-native oaks.
Researchers have unearthed a collection of chinquapin fruit and leaf fossils in Patagonia that suggests the Fagaceae family has evolutionary roots in the Southern Hemisphere.

Latest Blog Posts

Feedback on the Hybrid Highlight on Quercus ×vilmoriniana
Seedlings examined by Oak Interest Group
The Oak Action Group of Farm Forestry New Zealand is planning to establish American Red Oak Timber Trial Blocks.
Remembering John Fairey, legendary plantsman and founder of the amazing Peckerwood Garden, who sadly passed away March 17, 2020.
James MacEwen reports on encouraging results propagating rare oaks from Mexico and Cuba.
Two papers report on research that use oak tree-rings to understand aspects of Ancient Rome.

Upcoming Events

Oct 18, 2020 to Oct 24, 2020
Due to the ongoing Covid-19 restrictions, we have been obliged to postpone this event.
Jan 17, 2021 to Jan 21, 2021
Pre-Registration open. Registration will open late August 2020
Oct 24, 2021 to Oct 27, 2021
Further details, including registration procedure and information on Tours, will be posted here as soon as they become available.
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