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Editor's Picks

Call for Session Proposals for the 11th IOS Conference Now Open
Share your oak story in Oaxaca!
Website Editor | Mar 17, 2025
Single stem bleed
Acute Oak Decline and the Decline Disease Spiral Model: the State of the Game in the UK
Steve Potter reviews decline diseases affecting oaks in the...
Steve Potter | Feb 12, 2025
Oak Origins by Andrew Hipp
Book Review: Oak Origins – From Acorns to Species and the Tree of Life
A review of Andrew Hipp's new book
Steve Potter | Feb 12, 2025

Plant Focus

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Hybrid Highlight: Quercus ×ludoviciana Sarg.
Quercus ×ludoviciana is a naturally occurring oak hybrid from southeastern United States, which has flourished and attracted attention in...
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Mexican oaks

Species Spotlight: Quercus crassipes Bonpl.

By Roderick Cameron | April 22, 2024
Quercus crassipes acorns with inrolled cupule margin

One of the more well-known Mexican oaks in cultivation.

Gene Flow and a Mexican Metacollection in IOS Webinar #2

By Nikola Šušić | December 9, 2023
Slide from Dr. Hipp's presentation

As acorns were falling off the trees throughout the Northern Hemisphere, IOS members gathered virtually for Webinar #2.

Jim Conrad's Oak Notes

By Website Editor | June 20, 2023
q_rugos2.jpg

The IOS recently received an inquiry from Jim Conrad about a strange phenomenon he observed on a twig of a Quercus ×dysophylla in the Eastern Sierra Madre in Mexico, where what appeared to be multiple styles emerged from a bud. It turns out they may be fungal reproductive bodies.

Mexican Oaks at Armstrong Arboretum

By Website Editor | December 8, 2021
Quercus rysophylla

Notable oaks from south of the border.

John Fairey (1930–2020)

By Adam Black | May 21, 2020
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Remembering John Fairey, legendary plantsman and founder of the amazing Peckerwood Garden, who sadly passed away March 17, 2020.

Encinos de Mexico - a New Book about Mexican Oaks (in Spanish)

By Roderick Cameron | March 12, 2015

Exciting news for quercophiles: a new book about Mexican oaks will be published in June. It will be in Spanish, but extensively illustrated. It is available for pre-order with an attractive discount on cover price. Below is an image of the sales brochure, with a translation of the text.