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Arboretum Book Club
Join us to discuss books that open a window to the great outdoors! It’s free with admission and open to anyone who read the book, but please register in advance... more
Botanical Book Club
Join us to discuss books that open a window to the great outdoors! It’s free with admission and open to anyone who read the book, but please register in advance... more
Gourmets at the Garden
This summer will feature five Gourmets at the Garden events on select Thursday evenings through September 4. This summer series will highlight summertime favorites featuring local chefs in the Cleveland... more
Concerts in the Forest Series
Enjoy live music in a gorgeous setting, great food, a selection of alcoholic and non-alcoholic beverages, and quality time with friends and family out in nature. New this year, VIP... more
July 22, 2022
Holden’s Clone Orchard Vital Research Spot for Ash Scientists
By Rachel Kappler, PhD, Great Lakes Basin Forest Health Collaborative (GLB FHC) Coordinator
At the Holden Arboretum, out behind the Long Science Center, there’s an orchard. But you won’t find any fruit trees there, they’re all ash. In fact, each of these ash... more
July 20, 2022
Hidden Gems of the Forest
By Danny Wylie, Gardener
If you don’t find me in a garden, chances are I will be off for a hike somewhere in the woods. Botany is the core of who I am, and... more
July 20, 2022
The Ann Whitney Memorial Bed
By Sandi Cesarov, Horticulturist
The Magic Garden Not everyone knows where it is. It was recently called magical by my exceedingly intelligent seasonal gardener, Mikaela. A day later, our equally intelligent intern, Eliza, also... more
July 20, 2022
A New Way to Mulch: Wood Chips
By Rob Maganja, Horticulturist
Earlier this year, when still in the throes of winter, we found ourselves with many Lilac, Forsythia, and Viburnum branches lining the Display Gardens from recent prunings, and we wanted... more
July 14, 2022
The Science Lab/ Kitchen Overlap
By Sharon Halkovics, Research Specialist Years ago, I completed my undergraduate studies earning a bachelor’s degree in Environmental Health Science. I started down my career path assisting in a lab... more
July 8, 2022
A Morning in Working Woods with Green Corps Interns
By Emma Dawson- Glass, Research Specialist
Have you ever wondered what the day-to-day of scientists looks like? Certainly, daily activities will vary greatly depending on what kind of scientist you are, what time of year it... more
July 8, 2022
A Morning in Working Woods
By Emma Dawson- Glass, Research Specialist
Have you ever wondered what the day-to-day of scientists looks like? Certainly, daily activities will vary greatly depending on what kind of scientist you are, what time of year it... more
June 27, 2022
Work With HAPD
Small Department, Big Services The Holden Arboretum Police Department offers a unique work experience. While we answer calls for service, manage public safety, and provide mutual aid to our neighboring... more
June 24, 2022
A virtual tour of the natural areas used by the research department
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... more
June 22, 2022
Invertebrates in the Garden
By Hilary Wright , Horticulturist
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... more
June 22, 2022
The Rose Garden Challenge
By Stefanie Verish, Horticulturist
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... more
June 17, 2022
Holden Forests & Gardens Announces Appointment of Five New Board Members to its Board of Directors
(CLEVELAND) May 31, 2022 – Holden Forests & Gardens is pleased to announce the appointment of five new members to its Board of Directors: Tera Coleman, Lavita Ewing, Lynn-Ann Gries,... more
June 16, 2022
New Eastern Hemlock Conservation Work Kicks Off at Holden
By Rachel Kappler, PhD, Great Lakes Basin Forest Health Collaborative (GLB FHC) Coordinator
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... more
June 9, 2022
A Virtual Tour of the Collections used by the Research Department
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... more
June 7, 2022
Rhododendrons in Bloom
By Sommer Tolan , Horticulturist
It’s interesting to observe the variation in rhododendron and azalea bloom times from year to year. Especially here in Ohio, where we’re not sure if snow or rain will be... more
June 3, 2022
2022 Holden Summer Intern Program
Over the past few weeks, Holden Forests and Gardens has excitedly welcomed the 2022 cohort of interns into the Research, Community Forestry, Conservation, Horticulture, and Collections departments. This summer, interns... more
Malus coronaria
Wild crabapple
Where can you find this tree? In Ohio: Throughout, fields, fence rows, edges of woodlands. At HF&G: Holden Arboretum, Wildflower Garden Bloom time: Usually early to mid May but infrequently... more
Silene regia
Royal catchfly
Where can you find this plant? In Ohio: Prairies of southwest Ohio. At HF&G: Arlene & Arthur S. Holden, Jr. Butterfly Garden; Wildflower Garden, south end, and Prairie Garden. Bloom... 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.
