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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

Visit
Cleveland 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

Adventure awaits!
Adventure awaits! Holden Arboretum Opening April 1st: Murch Canopy Walk, Kalberer Emergent Tower and Buckeye Buds Adventure Woods. Learn More
Spring has arrived!
Spring has arrived! Cleveland Botanical Garden Experience Return of the Butterflies, Hershey Children’s Garden and our House Plant Exhibit this spring. 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
Great Lakes, Great Trees

Great Lakes, Great Trees

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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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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People for Trees™

People for Trees™

Holden Forests & Gardens is entering year three of our People for Trees campaign. Already, more than 10,000 trees have been given away, pledged, and planted by residents of Northeast Ohio. That’s amazing. But we still need more People for Trees to pledge and plant. Share your love of nature and invite a friend, neighbor… »

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Science on Friday: The Challenges of Rhododendron Research

Science on Friday: The Challenges of Rhododendron Research

March 24, 2023

Rhododendrons are loved by many gardeners for their bright, kaleidoscopic spring flowers. They are special for many reasons, including rhododendron being one of the most species-rich genus of woody flowering plants comprised of over 1,000 species. Their diversity makes them highly suitable for use in scientific studies. One research project that the Medeiros Lab has… »

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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
Science on Friday: The Challenges of Rhododendron Research

March 24, 2023

Science on Friday: The Challenges of Rhododendron Research

Rhododendrons are loved by many gardeners for their bright, kaleidoscopic spring flowers. They are special for many reasons, including rhododendron being one of the most species-rich genus of woody flowering plants comprised of over 1,000 species.

Read more
It’s Poppin’: March 23rd

March 23, 2023

It’s Poppin’: March 23rd

Welcome to spring! Looking back, record warmth brought many early bloomers to the surface in mid-February. Flowers like winter aconites, snow drops and crocuses have had a wonderfully long season thanks to cold temperatures returning for most of March.

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The Benefits of a Healthy Forest

March 21, 2023

The Benefits of a Healthy Forest

Happy International Day of Forests! A day of awareness started by the United Nations General Assembly in 2013, ten years of efforts to bring the importance of forests to the forefront of our minds. Here is a collection of photos from NE Ohio that my husband and I have taken on our outdoor walks with some facts about forests.

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It’s Poppin’: March 17th

March 17, 2023

It’s Poppin’: March 17th

Winter returned to northeast Ohio this week and we received several inches of snow at the Arboretum and a thin white blanket covered the garden as well. By Thursday, almost all had melted at the garden, and at each site, our early bloomers continue to shine despite the snow.

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Historic Holden

March 16, 2023

Historic Holden

Beautiful then and now, the Holden Arboretum is filled with history and impressive plants and trees since it was established in 1931. Follow along with these photos from the 60’s and 70’s and see if you can recognize some of the locations in the photos!

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Welcome to It’s Poppin’!

March 8, 2023

Welcome to It’s Poppin’!

Spring is a time of constant change at the Cleveland Botanical Garden and the Holden Arboretum, and It’s Poppin’ is your weekly report throughout spring to help you plan your adventure at each campus.  Should you go to the garden, arboretum, or both?  It’s Poppin’ will be your guide.

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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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