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Editor's Picks

The Global Conservation Consortium for Oak (GCCO) has...
Amy Byrne | Feb 17, 2020
Hayrettin Karaca, an IOS member and one of Turkey's best-...
Roderick Cameron | Feb 10, 2020
There are a growing number of unique hybrid selections that...
Ryan Russell | Feb 10, 2020

Plant Focus

Quercus tarokoensis (local name 太鲁阁栎 tai lu ge li, "oak of Taroko") is a fairly unknown oak species, restricted to eastern Taiwan.

Latest Articles

Quercus acerifolia (maple-leaf oak) is an endangered species in the wild (IUCN Red List)and a highly sought-after species in cultivation.
Quercus ×ludoviciana is a naturally occurring oak hybrid from southeastern United States, which has flourished and attracted attention in collections worldwide. Over the years there has been some...
On October 17, 2019, 80 participants gathered in McCook, Nebraska for a two-day conference and field trip, titled “Growing Better Trees Across the Great Plains”.

Latest Blog Posts

Two papers report on research that use oak tree-rings to understand aspects of Ancient Rome.
A stopover in Belize allowed me a day of driving through a natural reserve where I was able to spot about half of the 11 oaks reported to grow in Belize.
The Mendota Dakota tribal community honored arborist Dan Keiser at their annual pow wow in September of 2019.
In the early summer, when the constant battle against weeds had us nearly to the point of insanity, we decided to escape for a couple of days southwards over the Pyrenees via the Somport Pass . . .
Everyone who knew Lloyd will be as shocked and saddened as I was to learn of his recent death after a short illness.

Upcoming Events

Apr 25, 2020 to Apr 26, 2020
(This event has been cancelled due to the ongoing COVID-19 resitrcitions) A two-day event featuring visits to Hackfalls Arboretum and Eastwoodhill Arboretum 
Jul 11, 2019 to Jul 12, 2020
The Oak Open Days in 2020 will be held in Wales on Saturday 11th and Sunday 12th July.
Oct 18, 2020 to Oct 24, 2020
Ezra Barnea is organizing a five-day Tour of oak-rich sites in Israel.
Oct 24, 2021 to Oct 27, 2021
Further details, including registration procedure and information on Tours, will be posted here as soon as they become available.
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