Log in

Editor's Picks

The oak tree in Skjomendalen © Gerhard Sørensen-Fuglem and Cecilia Piccirilli Bjerkeset
An oak grows north of the Arctic Circle in Norway
Website Editor | Aug 14, 2023
Unusual symptoms linked to phytoplasma infection in Quercus humboldtiii, Colombia © Eric Boa
Symptoms linked to phytoplasma infection found in Quercus...
Website Editor | Aug 06, 2023
Different names are being used for one species.
Website Editor | Jun 20, 2023

Plant Focus

A small but mature Alabama sandstone oak producing acorns © Patrick Thompson
A Critically Endangered dwarf oak 

Upcoming Events


IOS Tour of Oregon

This 7-day Tour will be led by renowned plantsman Sean Hogan of Cistus Nursery. The first part of the trip will be based in Portland with visits to gardens and day trips to nearby locations.


Oak Open Days in Texas

The event will feature visits to important oak collections in three gardens in Texas, as well as other attractions in Houston and a tour of southwest Hill Country.