Log in

You are here

Home

Yoko’s Oaks

By Steve Potter | December 21, 2025
Yoko and John planting acorns
"Japanese oaks" planted at Coventry Cathedral

The Origin, Locations, and Date of Planting of Colonial Williamsburg’s Compton Oak

By Ricklin Brown | April 5, 2025
Compton Oak in 2023

The landmark oak was found as a naturally occurring hybrid

The Genesee Valley Oaks

By Brian Kelley | February 12, 2022
Genesee Valley Oak by Brian Kelley

The oak savanna at Genesee features a collection of large, open-grown oak trees.

The Lyytikkylä Oak in Finland

By Juha Fagerholm | June 10, 2021
lyytikkyla_oak_2021.jpg

Despite damage, the Lyytikkylä Oak is still the thickest oak in Finland

Sacred Oaks of Serbia

By Nikola Šušić | June 10, 2021
Quercus cerris champion tree in spring 2016. Photo from Šušić et al. (2016)

In Serbian tradition, in almost every village or hamlet there is at least one tree deemed by the inhabitants to be special.

Pages

Editor's Picks

Past IOS President Allen Coombes, Curator of Scientific Collections at Puebla University Botanic Garden, discusses leaf variability in Quercus ceirpes (still image from the documentary)
"Oaks: the Backbone of Mexico" – New Documentary Film
A new documentary by Maricela Rodríguez Acosta
Website Editor | Feb 17, 2026
Quercus miyagii acorn and dried leaves
In Search of Quercus miyagii: A Field Report from Okinawa
A rare oak endemic to the Ryukyu Islands of Japan
Elion Jam | Feb 16, 2026
A moss-covered oak (Quercus orocantabrica) in Mata de Albergaria, Peneda-Gerês National Park, Portugal © Amit Zoran
Amit Zohran's "Oakollective"
Steve Potter reviews a new book that features oaks
Steve Potter | Feb 11, 2026

Plant Focus

Quercus canariensis in Cornwall Park, Epsom, Auckland, New Zealand, the champion specimen in New Zealand, planted in the 1920s, 27.2 m tall with a trunk diameter of 209 cm (G. Collett pers. comm. 2026) © Gerald Collett
Species Spotlight: Quercus canariensis Willd.
Antonio Lambe shares his views on this threatened oak native to Iberia and North Africa
Read more

Historic Oaks

Yoko’s Oaks

By Steve Potter | December 21, 2025
Yoko and John planting acorns
"Japanese oaks" planted at Coventry Cathedral

The Origin, Locations, and Date of Planting of Colonial Williamsburg’s Compton Oak

By Ricklin Brown | April 5, 2025
Compton Oak in 2023

The landmark oak was found as a naturally occurring hybrid

The Genesee Valley Oaks

By Brian Kelley | February 12, 2022
Genesee Valley Oak by Brian Kelley

The oak savanna at Genesee features a collection of large, open-grown oak trees.

The Lyytikkylä Oak in Finland

By Juha Fagerholm | June 10, 2021
lyytikkyla_oak_2021.jpg

Despite damage, the Lyytikkylä Oak is still the thickest oak in Finland

Sacred Oaks of Serbia

By Nikola Šušić | June 10, 2021
Quercus cerris champion tree in spring 2016. Photo from Šušić et al. (2016)

In Serbian tradition, in almost every village or hamlet there is at least one tree deemed by the inhabitants to be special.

Pages

The International Oak Society acknowledges the generous support of the following institutions:

Supporting Institutional Members

Denver BG Logo
The Morton Arboretum logo
San Antonio Botanical Garden logo

 

Standard Institutional Members

Bartlett Tree Experts logo
Catalina Island Conservancy logo
Forrest Keeling Nursery logo
Houston Botanic Garden logo
Rice University
San Diego Botanic Garden logo
San Diego Zoo Wildlife Alliance logo
South Carolina Botanical Garden

 

The Huntington
The John Fairey Garden