Making the wonders of
nature accessible to all.

The Holden Arboretum

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

Cleveland Botanical Garden

Over 10 acres of beautiful outdoor gardens, featuring rare and exotic collections, plus specially curated specimens planted in themed glasshouses.

What’s new at Holden Forests & Gardens

Summer Lives Here

Take the Canopy Walk at Holden Arboretum, see the Return of the Butterflies at Cleveland Botanical Garden, or have you experienced Patrick Dougherty’s Stickwork yet?

Woodland Fairies are on their Way!

The fairies are returning to the forests and gardens of Northeast Ohio – this time to both the Cleveland Botanical Garden and the Holden Arboretum – and beginning Friday, July 9th children of all ages can see for themselves!

Twilight in the Whimsical Woods

There are still tickets left! Don’t miss Northeast Ohio’s picnic of the summer at the Holden Arboretum on Saturday, July 10, 2021 from 5:30 – 8:30 p.m. Last day to purchase is Thursday, July 1st.


Growing Black Roots: The Black Botanical Legacy

Join the thousands of people who have experienced this groundbreaking FREE virtual lecture series featuring botanists highlighting pathways to diversity & inclusion in botanical sciences. Next up is the Botanical Society of South Africa’s Conservation Manager Rupert Koopman on Wednesday, July 14th at 7PM.

Learn more

People for Trees

Help us plant and care for 15,000 trees in NEO by 2025. More than 1,000 people have pledged. It’s your turn!

Join the movement and pledge today

Working Woods

Our work improves our forests’ health, and ultimately promotes conservation throughout the region.

See the Learning Forest

What’s New this Week

Our Green Corps program has launched. Keep up with our weekly Science on Friday series and other timely announcements on News and Notes. Want to learn something about the natural world around you? Check out our Guides and Resources for the latest how-tos about gardening and so much more.

Together, we stand tall.

You play an integral role in realizing our mission
and helping us sow the seeds for success.


We focus on tree and plant life, with extensive collections that we hope will inspire healthier communities.

See Our Trees & Plants

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


We educate people of all ages and experience levels, from budding enthusiasts to serious botanists.

Explore Our Resources



You can develop a deeper appreciation for the natural world, and share your passion with others.

Become a Member

You can support our efforts and contribute to a more vibrant future for our entire community.

Make a Donation

You can make a difference in your community by planting a single tree.

Take the Pledge

Green Corps partners with resident-led gardens to optimize benefits to the people and plants in Cleveland while engaging urban youth in exploratory experiences to inspire future stewardship and careers in the green industry.

Learn more

What can we help you find?

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Help us all thrive. Make a donation

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