Log in

Editor's Picks

Group photo at The Savill Garden
Three-day event included visits to two parks in Berkshire...
Roderick Cameron | Aug 18, 2024
Rebekah Mohn presenting at IBC 2024
Several abstracts included research involving Quercus.
Website Editor | Aug 13, 2024
Participants at the Oak Study Day in Arboretum des Pouyouleix
This five-day event included visits to four oak collections...
Website Editor | Aug 12, 2024

Plant Focus

Quercus dumosa acorn
Animals, plants, and fungi depend on this humble tree, but its future—and theirs—is all but certain.

Website Editor's blog

Andrew Hipp in Joey Santore's Podcast

Crime Pays But Botany Doesn't lgo

Andrew Hipp talked to the legendary Joey Santore (the naturalist and communicator behind the “Crime Pays But Botany Doesn’t” YouTube channel and Instagram account) about genus Quercus. Joey is extremely knowledgeable, but he admits he had his mind blown by the things he learned during the interview. You probably will too.

Aljos Farjon on Ancient Oaks

Ancient Oaks and Biodiveresity page 1

Aljos Farjon FLS reports on the biodiversity of High Park, a wild section of Blenheim Park in Oxfordshire, England.

David Cranwell's Himalayan Oaks in New Zealand

himalayan-banj-oak-april2023.jpg

IOS member David Cranwell shared with us a bulletin about his work growing Quercus leucotrichophora in New Zealand. This was presented at the New Zealand Farm Forestry Conference held in Napier, Hawke's Bay, April 9–13, 2024. David has been growing Q. leucotrichophora, also known as Himalayan oak or banj oak, in New Zealand since the late 1990s, initially from acorns imported from India.

Saving Engelmann Oak One Acorn at a Time

IOS member Christy Powell, Horticulture Manager at San Diego Zoo Wildlife Alliance, shared an inspiring news story.

Oak Cousins in Danger

Beech tree leaf disease

Beech Leaf Disease is attacking Fagus species in North America.

Jim Conrad's Oak Notes

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.

photo_4_0.jpg

A new oak-themed mural beautifies an old brick wall in downtown Woodland, California. The artwork, commissioned in part by the Woodland Tree Foundation, features a mature Quercus lobata (valley oak), under which a California scrub jay (Aphelocoma californica) caches an acorn that is already sprouting a vigorous network of roots.

Educational Videos on GCCO Website

Propagating oaks by cuttings

Maricela Rodríguez interviewed staff and owners at key oak collections in the UK. 

Poison Oak? Please Don't!

how_to_kill_an_oak_page_1.jpg

Angela Moskow shared some disturbing accounts of oak poisonings.

"Oaks for Everyone" in The American Gardener

tag-jf22-cover-768x1013.jpg

An article by Tim Boland and Matt Lobdell on why oaks are "ecological warhorses"

Pages