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Editor's Picks

Carlos collecting Quercus ×alentejana (Q. faginea × Q. pyrenaica) in northeastern Portugal for his PhD thesis © Carlos Vila-Viçosa
The Long and Hilly Journey of Oak Conservation: Carlos Vila-Viçosa
An interview with Portuguese oak conservationist Dr. Carlos...
Amy Byrne | Apr 19, 2024
suriname_uprooted-oak-emblem-of-wry.jpg
The Uprooted Oak Emblem of UN's World Refugee Year
Roderick Cameron | Apr 13, 2024
Pages from Gert's book
A New Book on Trompenburg Tuinen & Arboretum
It was a great pleasure for me to be able to write about my...
Gert Fortgens | Feb 15, 2024

Plant Focus

Quercus crassipes acorns with inrolled cupule margin
Species Spotlight: Quercus crassipes Bonpl.
One of the more well-known Mexican oaks in cultivation.
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Gert Fortgens's blog

Barking up the Right Trees

By Gert Fortgens | February 15, 2018

A young and vigorously growing Quercus ‘Maya’ that we planted in 2007 showed a minor crack at the base of the trunk after the winter of 2011-2012...

An Ordinary But Very Special Quercus macrocarpa in Paris

By Gert Fortgens | March 21, 2017

In the Trompenburg Arboretum archive, where we keep our letters, I recently found a letter from Heino Heine dating back to 1973. Attached to it was a postcard and herbarium specimens of Quercus macrocarpa.

Quercus ‘Tromp Deerpon’, an Extraordinary Hybrid

By Gert Fortgens | April 1, 2016

A hybrid selected at Trompenburg Arboretum has parents that are oceans apart, yet closely related.

Warming Up for an Oak Tour to Ireland

By Gert Fortgens | March 31, 2016

The IOS has been invited to view the collections of two of our members in Ireland: that of Sir Brendan Parsons, the Earl of Rosse, at Birr Castle; and that of Johnny Couchman, near Carlow. There are many splendid gardens and collections to visit. Last year I visited some of them.

Good Oaks in South Africa

By Gert Fortgens | May 23, 2015

Peter Young's book Oak and an anecdote about South African oaks.

Jo Bömer (1943 - 2015)

By Gert Fortgens | March 12, 2015

Very unexpectedly, in her home in Klein Zundert, The Netherlands, Jo Bömer passed away on March 4th 2015.

Taiwan Proud of its Oaks!

By Gert Fortgens | December 2, 2014

A brief trip to Taiwan viewing Fagaceae.