Editor's Picks
Dr. Michael Avishai, a leading oak expert, botanist, and...
Ori Fragman-Sapir
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Feb 08, 2019
The Huntington, in San Marino, CA, obtained a grant from...
Website Editor
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Feb 08, 2019
It may surprise you to learn that we are not the first Oak...
Shaun Haddock
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Dec 15, 2018
Plant Focus
Quercus douglasii is an endemic California oak tree, affectionately called “the blue oak” due to its distinctive blueish-green leaf color....
All Articles
There are meetings that prove to be crucial, primordial encounters that mark our lives. My meeting with Michel Timacheff, an afternoon of...
By Thierry Lamant
Apr 10, 2018
Rainer Lippert has always been interested in old trees. At the age of 16 he started to visit the largest trees in his home district in...
By Website Editor
Apr 7, 2018
It sounds like something out of science fiction, but David Cranwell has managed to create a reality where an acorn planted in New Zealand...
By Website Editor
Apr 2, 2018
Since 2012 I have traveled to Costa Rica four times, searching for acorns of some Quercus species that were not represented in the...
By Francisco Garin...
Feb 16, 2018
The Oaks of the Americas Conservation Network (OACN) is an interdisciplinary consortium of oak experts from universities, botanic gardens,...
By Audrey Denvir
Feb 16, 2018
As Co-Registrar of oak cultivars I think it’s important to periodically remind members about some of the exceptional selections of oaks...
By Ryan Russell
Feb 15, 2018
The Botanical Garden of Porto is located on the west side of the city of Porto, on a plateau overlooking the mouth of the Douro River and...
By Website Editor
Feb 15, 2018
Quercus semecarpifolia, commonly known as brown oak, is the main forest-forming evergreen tree species from upper temperate to subalpine...
By Website Editor
Feb 14, 2018
For this Species Spotlight we train our follow spot on an oak that is quite a star of the quercine scene: Quercus hypoleucoides (stage name...
By Roderick Cameron
Dec 14, 2017
North American oaks have a northern temperate origin and only later colonized Mexico and Central America, according to a new study.
By Website Editor
Oct 12, 2017
Our German speaking members will be interested to learn that a new book on giant oaks in Germany was published in September 2017: Riesige...
By Website Editor
Oct 11, 2017
Bernard de La Rochefoucauld, long-time IOS member with his wife Brigitte, founder of l’Arboretum des Grandes Bruyères, died July 18, 2017,...
By Website Editor
Oct 9, 2017
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