Our WORK
Connecting people with the wonder, beauty, and value of trees and plants, to inspire action for healthy communities
Science & Conservation
Advancing research and conservation to protect trees, plants, and ecosystems for future generations.
Community Forestry
Expanding and caring for our urban tree canopy to create healthier, greener communities.
Horticulture
Showcasing the beauty, diversity, and value of plants through exceptional gardens and landscapes.
Education
Inspiring curiosity and environmental stewardship through hands-on learning experiences.
New Insights from the field
Learn about the people and projects advancing our mission
October 1, 2026
New Study Provides Hope for Resistance to Beech Leaf Disease
Kirtland, Ohio — A new study led by scientists at the Holden Arboretum has found evidence that beech leaf disease (BLD) symptom development is genetically controlled, providing the first evidence…
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September 4, 2026
New Species of Diatom Discovered in Stebbins Gulch
Walking along a rocky creek at the bottom of a steep, shady canyon, ancient trees towering overhead, a surprising coolness on the breeze — a traveler might feel like they’re…
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July 30, 2026
Meet Carlo Moreno, Holden’s Newest Scientist
In Akron, Ohio, a community garden called Akron Cooperative Farms sits on land that was once used as baseball fields. Many of the gardeners there are immigrants and refugees from…
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September 15, 2026
Sally and Larry Sears Commit $1.5 Million to Advance Science Center Expansion at The Holden Arboretum
Transformational gift supports new research laboratories, public learning spaces, and the first look at the expanded Center for Plant & Environmental Science.
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September 12, 2026
Fall is back at the Cleveland Botanical Garden
Autumn is almost here, and the Cleveland Botanical Garden will be decorated with autumn pumpkins, plant displays and plenty of colorful fall foliage.
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August 27, 2026
Popular Skeleton Grove Exhibit Returns to Holden Arboretum for a Season of Fall Color and Events
(KIRTLAND) August 27, 2026 – When it comes to fall, the Holden Arboretum has it all! The season commences with the return of Skeleton Grove on Saturday, September 19,featuring over a dozen towering 12-foot-tall skeletons decorated by local artists,…
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