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Holden Arboretum See what’s happening and on the horizon

The Holden Arboretum encompasses an expansive 3,500 acres including lush woodlands and 200 acres dedicated to thoughtfully cultivated gardens. Plan Your Visit

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Botanical Garden See what’s happening and on the horizon

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

Twinkle in the 216
Cleveland Botanical Garden Twinkle in the 216

Sun., Dec. 4 – Sat., Dec. 31 (Select dates)

 The Cleveland Botanical Garden’s winter show Twinkle in the 216 will celebrate the historic character of Cleveland’s neighborhoods as they are all aglow for the holiday season. Learn more

It takes a village to help the forest.

We are experts in research, conservation, and community forestry, and strive to make an impact in Northeast Ohio—and beyond.

Projects, Stories & News
Ash Trees Are Exploding with Seeds; Researchers Are Capitalizing on It

Ash Trees Are Exploding with Seeds; Researchers Are Capitalizing on It

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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Physiology of urban and rural trees in NE Ohio

Physiology of urban and rural trees in NE Ohio

Question Will stressful urban environments change the future of forest tree communities in NE Ohio Project Summary As urban areas expand, native forest fragments are becoming surrounded by pavement and cement, exposing them to higher temperatures, elevated CO2, higher light availability and pollution. We rely on urban forests to provide carbon storage, recreation, and pollution… »

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People for Trees™

People for Trees™

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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Why We’re Celebrating Soil for World Soil Day — And You Should Too!

Why We’re Celebrating Soil for World Soil Day — And You Should Too!

December 2, 2022

We’re surrounded by soils. They’re not just outside, but underneath us, supporting our structures and our homes as well as our ecosystems and food systems. But perhaps the most amazing thing about soil is the organisms that live in it. We’ve only just begun to understand the immense quantity and diversity of bacteria, fungi and… »

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Working Woods

Working Woods

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… »

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Learn more about our research and community forestry efforts.

From the Blog
Why We’re Celebrating Soil for World Soil Day — And You Should Too!

December 2, 2022

Why We’re Celebrating Soil for World Soil Day — And You Should Too!

We’re surrounded by soils. They’re not just outside, but underneath us, supporting our structures and our homes as well as our ecosystems and food systems. But perhaps the most amazing thing about soil is the organisms that live in it. We’ve only just begun to understand the immense quantity and diversity of bacteria, fungi and more that live belowground. And the more researchers learn, the more it’s clear: There’s so much that we don’t know about these living things.

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Where do we stand today?  

November 18, 2022

Where do we stand today?  

There was a time in North America when people saw plants and land as sacred, a gift from the Gods. The use and cultivation of some of those sacred plants and land was restricted to only tribal priests, medicine men, chiefs, and warriors. You might think, “We are far from that time, this only exists in the history books, in the archaeological records, in the museum collections at the Smithsonian, or portrayed in the famous 90’s movies “Dance with the Wolves” and “The last of the Mohicans”. Or, you may think, this happened in a faraway land.

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New Graduate Student in the Medeiros Lab: Miranda Shetzer

November 10, 2022

New Graduate Student in the Medeiros Lab: Miranda Shetzer

I recently began a PhD program where I am hosted jointly by Case Western Reserve University and the Holden Arboretum. The BioScience Alliance program promotes collaboration across research facilities in the Cleveland metropolitan area including CWRU, the Holden Arboretum, the Cleveland Museum of Natural History, and the Cleveland Metroparks Zoo.

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10 Podcasts to Listen to While Gardening

November 9, 2022

10 Podcasts to Listen to While Gardening

Gardening can be so…boring. I don’t mean all the time, of course. I really love my job, but the pruning, leaf blowing, and weeding can be downright monotonous. And since all these tasks are a large part of my job, I need to find ways to stay motivated to do them. A little background noise—some music or an audiobook—can do the trick, but my favorite thing to listen to while gardening has to be podcasts.

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A Calling to the Color

November 9, 2022

A Calling to the Color

I found myself standing there beneath the canopy of eternal autumnal amber, capturing the beautiful moment of the crisp morning on my journey down the ever-changing mountainside. An hour before, I was eating breakfast and reading the sign one last time before I departed from the summit. It read “Spruce Knob, elevation 4,863 feet.” The ornate cathedral of leaves was one reason why I made such a journey to West Virginia, but it would not have been enough for me to give up the display in Ohio. I was beckoned to the mountains yet again, not only to see the best fall color the Allegheny Mountains had in ten years, but also visit a special ecosystem I fell in love with the first time I explored the highest peaks in the Appalachian Mountains.

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November 9, 2022

The Tropical Taste of Strawberry Guavas

One of my favorite things about working in the Costa Rica biomes is the diverse array of tropical fruit. Where else can I have a tasty, freshly picked tropical snack in the middle Cleveland? An especially delicious fruit that’s currently ripe in the Costa Rica biome is the strawberry guava, or Psidium cattelianum.

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We’re proud to work with these distinguished organizations.

American Alliance of Museums
U.S. Forest Service
American Public Gardens Association
Cuyahoga Arts & Culture

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