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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

Latest Articles

A new entry in our series on Oak Poetry, this poem by Antonio Machado describes the holm oaks of
Carlos collecting Quercus ×alentejana (Q. faginea × Q. pyrenaica) in northeastern Portugal for his PhD thesis © Carlos Vila-Viçosa
An interview with Portuguese oak conservationist Dr. Carlos Vila-Viçosa.
Oak Leaf Fund Raising Thermometer
An update on the Oak Conservation and Research Fund appeal.

Latest Blog Posts

Burgundy leaves on Q. rotundifolia
Santiago Reyna has selected a bushy holm oak with attractive maroon-burgundy leaves.
Acorn cap whistler in Extremadura
We all know the best you can do with an acorn (turn it into an oak), but what can we do with a cupule? One answer is: whistle! It is a good skill to learn.
IOS member David Cranwell shared with us a bulletin about his work growing Quercus leucotrichophora in New Zealand.
IOS member Christy Powell, Horticulture Manager at San Diego Zoo Wildlife Alliance, shared an inspiring news story.
National Champion Quercus robusta
I recently had the opportunity of visiting the US National Champion Quercus robusta.

Upcoming Events

Aug 21, 2024
Dr. Elif Deniz Ülker, Project Manager at the Nature Conservation Center, Turkey, and Kevin Martin, Head of Tree Collections at Royal Botanic Gardens, Kew, will present in this webinar.
Sep 13, 2024 to Sep 22, 2024
A Tour of one of the most oak-diverse U.S. states
Oct 07, 2024 to Oct 10, 2024
The University of Tennessee’s School of Natural Resources is proud to host an International Oak Symposium in 2024.
Oct 11, 2024 to Oct 18, 2024
A Tour of the oak delights in North and South Carolina
Oct 21, 2024 to Oct 29, 2024
Due to the consequences of the April 3 earthquake, we have been obliged to cancel this event.