We conserve ecosystems, work to understand climate impacts on the Lower Great Lakes region, and foster a love for nature.
Just 30 minutes from downtown Cleveland, the Holden Arboretum is a living museum of exquisite collections of plants and trees on 3,500 acres with miles of trails, gardens. and woodlands. Plan Your Visit
In the heart of University Circle, Cleveland Botanical Garden is an urban oasis with mesmerizing gardens and curated glasshouses, offering a refreshing escape from the bustle of city life. Plan Your Visit
There are no better places to find unexpected seasonal beauty than at the Holden Arboretum and the Cleveland Botanical Garden.
Holden scientists, conservationists and community foresters are award-winning and nationally acclaimed.
A seed bank for regional restoration at the Holden Arboretum is working to combat climate change by collecting, storing, and redistributing native seeds of local ecotype to foster resilient forests.
Learn more
Holden is a leader in the study of beech leaf disease, a new forest pathogen sweeping across North America from its epicenter in northeastern Ohio. Our work has helped identify the means of the disease’s spread, and continuing work aims to reveal the mechanisms of the disease as well as a path to breeding trees resistant to the disease.
Learn more
As our climate changes, understanding how plants respond is critical for preparing for and mitigating what’s to come. An important driver of how plants respond to their environment is the plant microbiome, the bacteria and other microbes that live in tandem with the plants.
Learn more about our research and community forestry efforts.
September 16, 2024
Backyard bird feeding is a popular and enjoyable activity for many nature enthusiasts. It offers a chance to observe and appreciate local wildlife up close. However, while bird feeding can… more
September 13, 2024
If you are new to identifying mushrooms, I recommend that you read my earlier article, How to identify mushrooms and other fungi, for context and terminology before reading on. Mushroom… more
September 6, 2024
As a scientist at HF&G, I often hear questions like, “How can I get rid of mushrooms in my yard?” or “Is it safe to have mushrooms in my lawn?”…. more
People for Trees™
Plant and care for a tree beginning with making a pledge. We will support each pledge with easy-to-follow instructional toolkits, guidance on how to select the most appropriate tree and where to purchase it, free virtual classes and other ongoing support.
Make a pledge
Time: 1726790400 / Saved: 1726790400
Views (7 day(s) ago): 641
Views (6 day(s) ago): 588
Views (5 day(s) ago): 549
Views (4 day(s) ago): 873
Views (3 day(s) ago): 736
Views (2 day(s) ago): 667
Views (1 day(s) ago): 661
Views (Today): 168
