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    Call for Proposals!

    The IOS Oak Conservation and Research Fund will support projects related to oak conservation. Deadline for applications: December 10, 2020.

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  • Falstaff at the Met - Photo: © ken howard/Metropolitan Opera
    Oaks in Opera

    Oaks pop up in quite a number of operas, we've listed a few

    Photo: © ken howard/Metropolitan Opera

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  • Quercus 'Pondaim © Philippe de Spoelberch
    When Oak Leaves Fail to Fall

    In the Northern Hemisphere, deciduous oaks will soon shed their leaves. Some won't. They will keep their desiccated leaves and only drop them gradually through winter or suddenly next spring. Andrew Hipp explains how this works.

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    An Artist's View of a Quercus ithaburensis in Israel

    Ezra Barnea tells of a new documentary that focuses on the work of painter Elie Shamir. The project was triggered by the painting of an oak.

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  • Quercus lyrata acorns © Bruce Kirchoff (photographer: Rebecca Dellinger-Johnston)
    Species Spotlight: Quercus lyrata Walter

    A guest post by Matt Candeias, host of the In Defense of plants podcast and blog, shines the follow spot on overcup oak, one of the most flood-tolerant oaks of North America.

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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 launched its Oak Conservation and Research Fund

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Editor's Picks

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A documentary inspired by a painting of an oak in Israel.
Ezra Barnea | Oct 10, 2020
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Oaks have been featured in several operas. Here is a list...
Roderick Cameron | Oct 09, 2020
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One of the world's leading oak collections is located in...
Francisco Garin Garcia | Oct 01, 2020

Plant Focus

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A guest post by Matt Candeias, host of the In Defense of Plants podcast and blog

Latest Articles

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Marcescent leaves persist on deciduous trees through winter.
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One of the world's leading oak collections is located in Basque Country, northern Spain.
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An homage to the oak tree and the important role it plays today, in our landscape and in our lives

Latest Blog Posts

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Sabima, a Norwegian NGO, got in touch to let us know about their Hollow Oak Advent Calendar.
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A documentary inspired by a painting of an oak in Israel.
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Oaks have been featured in several operas. Here is a list of what we found.
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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.

Upcoming Events

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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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Jan 17, 2022 to Jan 21, 2022
POSTPONED UNTIL JANUARY 2022!
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