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March 10, 2026
After a Long Winter, Holden Arboretum Welcomes Visitors Back into Nature This Spring
(KIRTLAND) March 10, 2026 – Get ready to experience spring in all its beauty at the Holden Arboretum. Immerse yourself in the emerging tree canopy on the Murch Canopy Walk and Kalberer Family Emergent Tower beginning... more
March 6, 2026
How To Hand-Pollinate Vanilla
By Sadie Smith, Senior Horticulturist
One of my favorite plants is the vanilla orchid and I am lucky to have a mature vanilla orchid in the Madagascar biome that flowers fairly regularly. When the vanilla... more
Shell-abration: Tortoises Turn 50
Two remarkable tortoises hit the big 5-0, and we’re shellabrating them all month long! They’ve been part of the Cleveland Botanical Garden for five decades — quietly charming visitors, outlasting trends,... more
March 2, 2026
HF&G Builds on Rare Oak Conservation Work Through Collection, Propagation, and Collaboration
By Alexandra Faidiga, Assistant Curator
In the last week of January, I returned from a plant collecting trip through coastal Georgia, Florida, and South Carolina in search of bluff oak (Quercus austrina), an uncommon oak with a... more
Self Guided Tour
Grades PK - 12
$8 per student
Cleveland Botanical Garden
Offered Year-round $8 per student. One adult chaperone required per 10 students (free). One adult per five students admitted free; additional adults are $8.00 per person. Please note – if... more
Deep Dive Tours at Leach Research Station
Join us each month for a deep dive into the thousands of plants in our collection at Leach Research Station. In June, we're exploring late-blooming rhododendrons and azaleas. more
February 11, 2026
Celebrating Women Scientists at Holden Forests & Gardens
By Anna Funk, PhD, Science Communications Specialist
On International Day of Women and Girls in Science, we’re taking a moment to appreciate the talented researchers advancing our understanding of forests, plants, and the ecosystems they support. From... more
January 19, 2026
Eastern Hemlock Research
Researchers at Holden Forests & Gardens are working to save eastern hemlock trees from invasive pests through resistance breeding and innovative research. The eastern hemlock (Tsuga canadensis) plays a vital... more
January 16, 2026
Native Seed Libraries Now Open to the Public
By Anna Funk, PhD, Science Communications Specialist
The Holden Seed Bank is excited to share that a regional Native Seed Library program will officially open to the public on Monday, January 19, in 10 different locations across... more
January 15, 2026
Orchid Show Rides Back into Cleveland with a Fresh Western Theme at the Botanical Garden
The Cleveland Botanical Garden’s Orchid Rodeo opens on Saturday, February 14 (CLEVELAND) January 15, 2026 – Grab your cowboy hats and boots, the Cleveland Botanical Garden’s annual orchid show, is back in town!... more
Environmental Science Merit Badge
Eagle
$25 per scout
Cleveland Botanical Garden
Spend a day immersing yourself in the Environmental Science Merit Badge at Cleveland Botanical Garden! As an Eagle Required badge, this is a great badge to work on. Scouts will... more
January 12, 2026
10 Questions with Jessica Hudson, HF&G’s New VP of Development
Q: What excites you most about working for Holden Forests & Gardens?A: My excitement surrounding Holden Forests & Gardens is immeasurable. I am eager to experience the year-long beauty of... more
January 6, 2026
Life in the Winter Forest
By Anna Funk, PhD, Science Communications Specialist
Take a stroll through the forest at the Holden Arboretum on a cold winter’s morning — the trails are open year-round — and the quiet stillness might trick you into... more
December 19, 2025
New Study Reveals How Beech Leaf Disease Disrupts the Forest Ecosystem
As beech leaf disease continues to sweep across our region, the longer-term effects of the disease are starting to reveal themselves in the epicenter — right here in Lake County.... more
December 5, 2025
What’s Happening Below the Forest Floor? Lessons Learned from Decades of Soil Data
By Sarah Kyker, PhD, Postdoctoral Research Associate
Caring for our planet includes an assurance that our natural ecosystems have a diversity of living things, clean water, thriving plants, and resiliency to disturbance. Soils are instrumental to all... more
November 20, 2025
Know the Forest Pests That Live in Your Area: Holden Researchers Get the Word Out
By Anna Funk, PhD, Science Communications Specialist
Do you know what the symptoms of beech leaf disease look like? What about hemlock woolly adelgid — can you tell it from elongate hemlock scale, and did you know... more
November 11, 2025
What’s That Thing on the Emergent Tower? HF&G Tests New Forest Pest Monitoring Tool
By Anna Funk, PhD, Science Communications Specialist
If you’ve been to the Kalberer Emergent Tower at the Holden Arboretum lately — let’s be honest, who hasn’t (#fall) — you may have noticed something new: A pale purple... more
Berry Biology
High School
$10 per student
Cleveland Botanical Garden
Uncover the secrets of plant genetics in Berry Biology, where students extract real DNA from strawberries and explore how genetics links cell structure, biodiversity, and exciting science careers. Bring your students... more
October 31, 2025
Holden Forests & Gardens Celebrates One Year of the Working Woods Hub
-VIP/Media Preview November 13 and Public Open House November 15 at the Holden Arboretum- KIRTLAND, Ohio (October 30, 2025) — Holden Forests & Gardens (HF&G) invites media, partners, and the... more
October 22, 2025
Newfound Garlic Mustard Aphid May Help, but Won’t Solve, Our Garlic Mustard Problem
By Anna Funk, PhD, Science Communications Specialist
In 2021, Rebecah Troutman — at the time Holden Arboretum’s natural areas biologist — was making her rounds and came across an insect she hadn’t seen before. It appeared to... more
Working Woods Open House
Experience sustainable forestry in action! Saturday, November 15, 9am-3pmFree to attend Join us for the Working Woods Open House at the Holden Arboretum. Celebrate the unveiling of new interpretive signage... more
Canopies Create Healthy Communities
High School
$10 per student
Cleveland Botanical Garden
Discover how trees create healthier cities and inspire careers in this hands-on, science- driven exploration of urban ecology! Empower your students to see the forest and the trees- as climate... more
People for Trees™
Make a difference in
your own backyard.
Plant and care for a tree beginning with making a pledge. We will support each pledge with easy-to-follow instructional toolkits, guidance on how to select the most appropriate tree and where to purchase it, free virtual classes and other ongoing support.
Make a pledgeWe’re proud to work with these distinguished organizations.
