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Editor's Picks

Quercus sp. Ardnamurchan Peninsula
Is Q. robur invading Q. petraea populations or is it the...
Steve Potter | Apr 17, 2025
Acorn of Quercus carduchorum
A rare species from the Zagros forests in Iran
Website Editor | Apr 17, 2025
Compton Oak in 2023
The landmark oak was found as a naturally occurring hybrid
Ricklin Brown | Apr 05, 2025

Plant Focus

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Latest Articles

Jack Maze
The renowned Canadian botanist, whose work included oak hybrids, died on February 26, 2025
Network map of co-occurrence of causal factor categories identified in the selected papers
A team led by IOS member Marco Neves Marques has published an extensive literature review covering oak declines in Mediterranean-type climate regions
Quercus rugosa leaf underside
A poem by a reclusive British-Mexican poet

Latest Blog Posts

Still from Christof van Hulle video
What you can find by searching for "International Oak Society" on YouTube
bog_oak_bowls.jpg
Back in September 2012, the UK’s BBC TV’s website reported on the recovery of a 5,000-year-old, 44ft (13.4m) Fenla
Growing Oaks logo
I would like to share with the IOS a project that should be of interest to members.
q._grahamii_beatrice.jpg
Who was Quercus grahamii named in honor of?
Image from Enarrationes
A 16th century commentary on the medicinal property of oaks and acorns

Upcoming Events

Thu, 2025-05-15 to Sun, 2025-05-18
This four-day event will feature visits to legendary Hackfalls Arboretum and Eastwoodhill Arboretum, the National Arboretum of New Zealand, among others.
Thu, 2025-05-29 to Sun, 2025-06-01
It's high time we took another look at the Belgian oak collections. This time the event will take place over the Ascension weekend, 29 May–1 June 2025, four days.
Sat, 2025-06-07 to Sun, 2025-06-08
The 2025 edition of the UK OODs will focus on the Fagaceae family and include visits to two collections in Cornwall.
Wed, 2025-06-25
Maribel Arenas Navarro and Sven Bronckaers will present in this webinar.<
Sun, 2025-10-05 to Wed, 2025-10-08
International Oak Society Conferences are unique opportunities to talk, learn, and laugh with oak enthusiasts that hail from vastly different horizons.

The International Oak Society acknowledges the generous support of the following institutions:

Supporting Institutional Members

Standard Institutional Members