Open today: 9:00 am – 8:00 pm

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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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Holden Arboretum
See what’s happening and on the horizon

Open today: 10:00 am – 5:00 pm|Open late Thursday evenings

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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

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Botanical Garden
See what’s happening and on the horizon

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
Holden Forests & Gardens Makes Commitment to Mitigate Detrimental Effects of Climate Change

Holden Forests & Gardens Makes Commitment to Mitigate Detrimental Effects of Climate Change

Leading up to Earth Day 2022, Holden Forests & Gardens (HF&G) has adopted a climate change statement recognizing that climate change is real and providing facts and information about climate change, its implications, and some ways we are working to mitigate climate change at the Cleveland Botanical Garden and the Holden Arboretum. We hope this… »

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People for Trees™

People for Trees™

Pledge to plant a tree in honor of the 150th anniversary of Arbor Day.

Within our first year, more than 1,000 Greater Clevelanders pledged to plant more than 4,000 in our neighborhoods. In addition, Holden Forests & Gardens has planted more than 1,400 trees with the help of our community partners. This is great momentum, but we’re just getting started.

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A virtual tour of the natural areas used by the research department

A virtual tour of the natural areas used by the research department

June 24, 2022

By Emma Dawson-Glass, Research Specialist Beyond its curated collections, the Holden Arboretum also retains many natural areas. In fact, most of the Holden Arboretum property is made up of natural areas, with 3,000 acres out of a total of 3,600 acres of the Arboretum property being made up of natural areas. These natural areas are… »

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Tree of The Month

Tree of The Month

Red maple

Red maple provides food for pollinators in early spring. Acer rubrum is the fourth most common tree in the natural areas of The Holden Arboretum, trailing Acer saccharum (sugar maple), Fagus grandifolia (American beech), and Liriodendron tulipifera (tuliptree).

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Emerging threats of nanoparticles to plants and microbiomes

Emerging threats of nanoparticles to plants and microbiomes

Question How do nanoparticles – emerging environmental threats – affect plants and associated microbiomes Project Summary Engineered nanomaterials released from industrial, agricultural, biomedical, and domestic applications are emerging environmental threats to the terrestrial and aquatic ecosystems in the Anthropocene. While nanoparticles are known to influence plant survival, growth, and reproduction, little is known whether 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… »

See the Learning Forest

Learn more about our research and community forestry efforts.

From the Blog
Behind-the-Scenes of the Cleveland Botanical Garden’s Newest Exhibit

Behind-the-Scenes of the Cleveland Botanical Garden’s Newest Exhibit

June 21, 2022

We caught up with artist Rachel Hayes for a Q&A about the Cleveland Botanical Garden’s stunning new summer exhibit Awake in Every Sense opening Saturday, June 25th What can visitors expect when they come to see your installation at the Cleveland Botanical Garden? Graphic site-lines of color are installed throughout the gardens to highlight interesting… Read more »

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A virtual tour of the natural areas used by the research department

A virtual tour of the natural areas used by the research department

June 24, 2022

By Emma Dawson-Glass, Research Specialist Beyond its curated collections, the Holden Arboretum also retains many natural areas. In fact, most of the Holden Arboretum property is made up of natural areas, with 3,000 acres out of a total of 3,600 acres of the Arboretum property being made up of natural areas. These natural areas are… Read more »

Read more
Invertebrates in the Garden

Invertebrates in the Garden

June 22, 2022

June brings a plethora of gardening tasks – weeding and mulching at the top of the list.  Most, if not all, require one’s hands to be plunged into the earth all day. Working that closely with soil reveals itself as a tiny world bustling with activity that you may not have realized before. An entire… Read more »

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The Rose Garden Challenge

The Rose Garden Challenge

June 22, 2022

I knew what I was in for. It is no secret that roses maintain a reputation of fussiness and difficulty in maintenance. When I was given charge of the Svetland Rose Garden in fall of last year, I theorized that following the set plan of pest management, fertilization, and watering schedules would insure me success…. Read more »

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New Eastern Hemlock Conservation Work Kicks Off at Holden

New Eastern Hemlock Conservation Work Kicks Off at Holden

June 16, 2022

By Rachel Kappler, Great Lakes Basin Forest Health Collaborative (GLB FHC) Coordinator, and Dr. Anna Funk Researchers across the country are interested in learning more about forest pests that threaten our native tree species. Populations of eastern hemlock, found across Appalachia, New England, and the Great Lakes, are faced with two different insect pests, hemlock… Read more »

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A Virtual Tour of the Collections used by the Research Department

A Virtual Tour of the Collections used by the Research Department

June 9, 2022

One of the greatest benefits of being a researcher at an arboretum is being able to access curated plant collections. Often, these collections have a well recorded history and can be sourced from all over the world. As such, researchers can ask many questions about plants, ranging from their evolutionary adaptions to their future responses… Read more »

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