Where people connect
with trees & plants.

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.

Events & Experiences

Leaf Discovery Trail

As Northeast Ohio’s trees begin to change color, now is the perfect time to sharpen your leaf and tree identification skills! Pick up a brochure at the Arboretum or Botanical Garden and follow the Leaf Trail, an immersive autumn leaf identification activity. Learn how to identify the trees marked with numbered tags on the grounds. Opens Saturday, September 18th.

Great Harvest Haunt Experience

From Saturday, October 2nd through Sunday, October 17th, visitors are invited to participate in a not-so-spooky story trail on the grounds of the Holden Arboretum. Follow Ty the Turkey as they search for food to fill this season’s cornucopia. Buy tickets here.


Halloween Harvest Event

Visit the Holden Arboretum for a family-friendly fall harvest-themed event on Sunday, October 3rd from 10am – 4pm, complete with a trick-or-treat trail, wagon rides, crafts, and more. This is a rain or shine event and reservations are required. Tickets to this one-day event are $5 for members and $5 plus gate admission for nonmembers. Buy tickets here.


Bootanical Bash

Join us on Saturday, October 16th from 10am – 4pm at the Cleveland Botanical Garden for our annual Bootanical Bash event. This family-friendly event will take place inside the Hershey Children’s Garden and White Oak Walk, and will have a trick-or-treat trail, crafts, a dance party, and more! Tickets to this one-day event are $5 for members and $5 plus admission for nonmembers. Buy tickets here.



Stickwork by Patrick Dougherty

Open Open today: 9:00 am – 5:00 pm

Twisting mazes. Towering castles. All constructed from willow sticks and branches. Patrick Dougherty’s art has been featured in more than 300 locations around the world, and we have the privilege of hosting his Northeast Ohio debut at the Holden Arboretum. Buy tickets here.


Kalberer Emergent Tower and Murch Canopy Walk

Experience fall color from a new perspective at the Arboretum. The Murch Canopy Walk invites guests on a 500-foot-long elevated walkway that is built 65 feet above the forest floor. The Emergent Tower is 120 feet or approximately 12 stories tall and provides a breathtaking view of the surrounding area all the way to Lake Erie. Buy tickets here.

Return of the Butterflies

Open Open today: 9:00 am – 10:00 pm

Experience butterflies like never before in our Costa Rica biome, featuring newly emerged butterflies in a stunning array of species.


Tree Planting & Community Forestry

Fall Community Tree Plantings

Holden’s People for Trees will be partnering with Cuyahoga Metropolitan Housing Authority (CMHA) to plant 20 trees at Carver Park, part of a project to add 75 new trees to three public housing estates on Cleveland’s East Side over the next 18 months. Learn more here.



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

Research & Science News

Breaking News: Pollinators contribute to flowering plant diversity

“For years, scientists have been puzzled by how numerous rare plant species coexist with abundant species in diverse communities. We believe that pollinators can be one critical piece of this puzzle,” said Na Wei Ph.D, research scientist at Holden Forests & Gardens. This big news in the science world is featured today on Nature.com. Read more here.


Science on Friday: Soil, Mushrooms & a Recipe, Too!

We continue to celebrate September: National Mushroom Month. Mushrooms are amazing (and delicious) and definitely deserve a month of focus and celebration. Today we’ll take a look at how soil and mushrooms interact and support each other.


Science News & Notes

Take just a moment to learn how to put together a xeriscape garden with Caroline Paul.   Keep up with our weekly Science on Friday series and other timely announcements here. Check out our Guides and Resources for the latest how-tos about gardening and so much more.

Programs & Classes

Go Back to School with Trees & Plants

This fall, learn more about the natural world around us and how to care for it with school programs for all ages. We offer engaging hands-on experiences virtually or at the arboretum and botanical garden. We have new programs for Scouts, too.

Learn more

September is National Mushroom Month

September is one of our favorite months. Why? Because it’s National Mushroom Month! We celebrate by appreciating all that fungi do for forest health and the natural world around us. We have classes for you to take devoted to mushrooms and we’ll be posting on our blog all month long, too.


Together, we stand tall.

Holden Forests & Gardens connects people with the wonder, beauty, and value of trees and plants, to inspire action for healthy communities. 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

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