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Burke Oak Collection at New York Botanical Garden

The Coleman and Susan Burke Oak Collection at The New York Botanical Garden features more than 150 oaks representing 44 taxa

Importing Endangered Engelmann Oaks into Australia

Boyce Thompson Arboretum

Cactus and Succulents Garden, Boyce Thompson Arboretum

Boyce Thompson Arboretum is the oldest and largest botanical garden in the state of Arizona.

Eastwoodhill Arboretum's "Trees for our Future"

Eastwoodhill logo

Eastwoodhill Arboretum launches "Trees for our Future" campaign.

Mexican Oaks at Armstrong Arboretum

Quercus rysophylla

Notable oaks from south of the border.

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Editor's Picks

The story behind acorn snacks enjoyed on IOS Tours last year
Editorial Staff | Jun 27, 2025
Group photo at Guthrie-Smith Arboretum
Four days exploring oaks on the east coast of North Island
Website Editor | Jun 21, 2025
Catalpa destroyed by tornado
Many trees have been lost due to an intense storm on May 15
Guy Sternberg | May 26, 2025

Plant Focus

Acorn of Quercus carduchorum
A rare species from the Zagros forests in Iran

Gardens & Arboreta

Burke Oak Collection at New York Botanical Garden

The Coleman and Susan Burke Oak Collection at The New York Botanical Garden features more than 150 oaks representing 44 taxa

Importing Endangered Engelmann Oaks into Australia

Boyce Thompson Arboretum

Cactus and Succulents Garden, Boyce Thompson Arboretum

Boyce Thompson Arboretum is the oldest and largest botanical garden in the state of Arizona.

Eastwoodhill Arboretum's "Trees for our Future"

Eastwoodhill logo

Eastwoodhill Arboretum launches "Trees for our Future" campaign.

Mexican Oaks at Armstrong Arboretum

Quercus rysophylla

Notable oaks from south of the border.

Pages

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

Supporting Institutional Members

Standard Institutional Members