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Editor's Picks

Past IOS President Allen Coombes, Curator of Scientific Collections at Puebla University Botanic Garden, discusses leaf variability in Quercus ceirpes (still image from the documentary)
A new documentary by Maricela Rodríguez Acosta
Website Editor | Feb 17, 2026
Quercus miyagii acorn and dried leaves
A rare oak endemic to the Ryukyu Islands of Japan
Elion Jam | Feb 16, 2026
A moss-covered oak (Quercus orocantabrica) in Mata de Albergaria, Peneda-Gerês National Park, Portugal  © Amit Zoran
Steve Potter reviews a new book that features oaks
Steve Potter | Feb 11, 2026

Plant Focus

Quercus canariensis in Cornwall Park, Epsom, Auckland, New Zealand, the champion specimen in New Zealand, planted in the 1920s, 27.2 m tall with a trunk diameter of 209 cm (G. Collett pers. comm. 2026)  © Gerald Collett
Antonio Lambe shares his views on this threatened oak native to Iberia and North Africa

Action Oak

The oak has always been of great importance to the UK, albeit these days more in symbolic than practical terms: the “wooden walls” of the great fleets are an image of the distant past. Yet equally the axe had often been spared: the country claims to have more surviving ancient oaks than the rest of Europe put together. However, in this modern age of easy and rapid travel, tree maladies have become convinced globalists: every year it seems that some new affliction affects one tree genus or another. This malign trend has concentrated the minds of environmentalists in the UK, and has culminated in the launch of the Action Oak partnership at this year’s Chelsea Flower Show in London last May. The partners include all the environmental big hitters: the UK government Department of Environment, Food, and Rural Affairs (DEFRA), and the Scottish, Welsh, and Northern Ireland governments; the Forestry Commission and Royal Botanic Gardens Kew; the Duchy of Cornwall; and charities such as the National Trust, Woodland Heritage, and the Woodland Trust. A serious grouping indeed! The aim of the partnership is to protect oaks for future generations by:

  • Working with owners and managers of oak trees and woodlands to help to protect the trees from a range of threats
  • Funding research to improve understanding of the threats to oak trees and to inform best management practices
  • Using established professional and citizen science networks to record changes in the distribution, age, and health of our oak trees to identify priority areas for action
  • Encouraging organizations to join the Action Oak partnership and people to support Action Oak

Action Oak can be contacted at info@actionoak.org, you can follow @actionoak and the hashtag #actionoak on Twitter, and further information can be found on their website www.actionoak.org

UK members in particular, if not already doing so, may be interested in supporting this important venture.

You can read more about Action Oak on the website of The Woodland Trust