The Holden Arboretum encompasses an expansive 3,500 acres including lush woodlands and 200 acres dedicated to thoughtfully cultivated gardens. Plan Your Visit
Cleveland Botanical Garden features outdoor and indoor gardens with native, rare and exotic collections, plus specially curated specimens planted in themed glasshouses. Plan Your Visit
There are no better places to find unexpected seasonal beauty than at the Holden Arboretum and the Cleveland Botanical Garden.
We are experts in research, conservation, and community forestry, and strive to make an impact in Northeast Ohio—and beyond.
The new Great Lakes Basin Forest Health Collaborative is leading the charge to save ash, beech and hemlock trees. Their base is at the Holden Arboretum. Wandering the Holden Arboretum, it’s all too easy to take in the trees, stroll the boardwalk and stop to smell the flowers without ever knowing the impact the Holden… »
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It’s a mast year for ash trees. Holden researchers are launching a new initiative to collect ash seeds from around the region. When conditions are just right, certain trees will produce an exceptionally large number of seeds. The phenomenon is called masting, and, lucky for Holden forestry researchers working with ash trees, this year is… »
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People for Trees is generously sponsored by: Here are some of the things our People for Trees have said. What do you love about trees? “Planting them and watering them!” “We planted a Magnolia tree in honor of a neighbor and the flowers are beautiful. It has become a special tree for our whole neighborhood.”… »
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January 6, 2023
By Juliana Medeiros, PhD, Plant Biologist Your Rhododendrons are probably looking a little sad right now, amidst the cold wind and snows of January. They are probably drooping their leaves, maybe they have lost their beautiful dark green glossy leaf color, or maybe they have lost their leaves altogether, sleeping away the dreary days. But… »
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Most of Ohio’s forest is privately owned. Private landowners face a variety of challenges when it comes to land stewardship including succession planning, pests, disease, poor logging practices, pressure from logging companies, and invasive plants. Good forestry addresses these challenges by working with nature so both people AND the woods can thrive. Learn more about… »
Read moreLearn more about our research and community forestry efforts.
February 2, 2023
Have you been infected with Orchidmania? Would you like to try a new way to appreciate these amazing plants? Here is a step-by-step tutorial how to paint an orchid in watercolor.
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January 25, 2023
This winter when you visit both of our campuses you will be able to clearly see plant labels hanging, attached to the stems of trees and shrubs, or on spikes in the ground. These can look like colorful credit cards or large flat zip ties.
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January 18, 2023
The Stuble lab has a new paper out in the journal Applied Soil Ecology exploring the effects of acid rain on forest carbon storage. In this paper, we look at how the legacies of acid rain impact litter decomposition, a process essential for forest nutrient cycling and carbon storage.
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January 18, 2023
Welcome to the 2nd installment of, “Top Choice Tools of the Pros.”. The first, was posted on Sept.12, 2022. This time I’d like to explore some simple yet impactful tools as well as compare similar tools.
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January 12, 2023
Trees provide me with health benefits and ecosystem services. Trees filter toxic chemicals from the air and water. Trees provide me with shade and they are home to many of my favorite birds, animals, and insects. Not only do trees benefit my physical health, but they also impact my mental health and well-being.
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January 9, 2023
With each new show at the Cleveland Botanical Garden comes lots of logistical planning, creative brainstorming sessions, and hard work. As the staff prepares for the 17th annual flower show Orchids Forever, we can’t wait to share what we have in store starting on January 28th.
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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.
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