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June 12, 2023
Why Pine Straw Mulch?
By MaryAnn Thesing, Horticulturist
If you’ve been to Holden Arboretum lately you may have noticed a change in our mulch selection as seen in the Butterfly Garden and West Layer Rhododendron Garden. Most gardeners... more
June 9, 2023
It’s Poppin: June 9th
By Thomas Arbour, Curator of Living Collections
Isn’t it amazing how each week there is something new blooming in our gardens? Our horticulturists have carefully chosen plants to ensure a constant rotation of blooms will be poppin’... more
June 2, 2023
It’s Poppin’: June 2nd
By Alex Faidiga, Plant Recorder
This long stretch of sunny days with temperatures in the high 70s and low 80s certainly makes it feel like Memorial Day brought instant summer! This weekend is the perfect... more
June 2, 2023
Researchers develop new detection tool for beech leaf disease’s nematode pest
FOR IMMEDIATE RELEASE Researchers at the Holden Arboretum developed an improved, effective way to monitor and detect the presence of a disease-causing nematode in beech leaf tissue. Beech leaf disease... more
May 26, 2023
It’s Poppin’: May 26th
By Thomas Arbour, Curator of Living Collections
The trees are green, and shade is now dominant in our forests and woodland gardens. As summer grows near, our blooms will begin to pop in open areas- seek out... more
May 26, 2023
The Remarkable Life of a Plant in a Forest
By Miranda Shetzer, PhD Candidate
The Emergent Tower at Holden Arboretum stands 120 feet in the air, allowing you to overlook the canopies of the tallest trees in the forest and feel the warmth of... more
May 24, 2023
Nature Connects Behind-the-Scenes: One Mantis’ Journey to the Arboretum
Sean Kenney’s Nature Connects Made with LEGO® Bricks features more than a dozen creations that will adorn the gardens and woodlands of the Holden Arboretum, beginning this Saturday, May 27th.... more
May 24, 2023
33 Splendid Bench Views at the Holden Arboretum
By David Lardakis, Marketing Specialist
The Holden Arboretum is home to a wide variety of captivating landscapes. From ponds and bogs, to open prairie and dense forest, you won’t find an area on the grounds... more
May 22, 2023
Behind-the-Scenes of Blooms! Botanicals and Birdhouses
A new exhibit Bloom! Botanicals & Birdhouses opens Saturday, May 27th at Cleveland Botanical Garden with hundreds of unique birdhouses, stunning glass art, and artwork from Cleveland artist Asia Armour. Get a... more
May 19, 2023
It’s Poppin’: May 19th
By Thomas Arbour, Curator of Living Collections
Isn’t it nice to have spring weather for a long, extended period? The flowers love it too, and while we are marching toward summer with the onset of the early... more
May 19, 2023
Holden Scientists Host High School Students for Senior Projects
By Sarah Kyker, PhD, Postdoctoral Research Associate
This week, the Long Science Center and the Leach Research Station were filled with enthusiasm as we welcomed seven high school students for their junior or senior projects! Hanna Busby... more
May 12, 2023
It’s Poppin’: May 12th
By Thomas Arbour , Curator of Living Collections
Did this week feel a little more like summer than spring to you? Did you enjoy the sunshine this week? Let’s take a look at what’s poppin’! Holden Arboretum Right... more
May 10, 2023
Tree Planting at Other Hand Farm
By Amanda Wood, Urban Community Forester
Once called the Forest City, Cleveland has been lacking in trees for years. Our tree canopy is at 18% and is projected to decline to 14% by 2040 unless we... more
May 5, 2023
It’s Poppin’: May 5th
By Thomas Arbour, Curator of Living Collections
With two sunny days in the forecast, now is the time to visit! Five straight days of rain and cold weather has kept the blooms waiting for you. Cold, but... more
May 5, 2023
Help us find the new-to-North America garlic mustard aphid
This week, Holden Forest and Gardens’ Conservation and Research teams collaborated to host a volunteer training for spotting the new-to-North America garlic mustard aphid. This aphid was first seen by... more
May 3, 2023
The Benefits of House Plants
By David Lardakis, Marketing Specialist
Forget about futons, sliding barn doors, and faux plants. It’s 2023 and live indoor house plants are the current and practical trend. Besides looking pretty, what benefits do house plants... more
May 2, 2023
Spring in the Conifer Collection
By Max Bauders, Trails Assistant AmeriCorps Member
As the northern hemisphere continues to tilt towards the sun, the days continue to lengthen, while spring advances ever further up the North American continent. Expanding buds, new leaves, and... more
April 28, 2023
It’s Poppin’: April 28th
By Thomas Arbour , Curator of Living Collections
I go away for two weeks and wow, have our campuses bloomed! Thank you to Alex Faidiga who wrote the last two it’s poppin’ reports and provided the photos from... more
April 26, 2023
The Case for Violets: Sorely Misunderstood “weeds”
By Alex Faidiga, Plant Recorder
It’s springtime! The birds are chirping, the sun is shining (sometimes), and the weather is warming. As northeast Ohioans, this time of year is especially exciting for us after each... more
April 25, 2023
Pond Maintenance and Cleanup
By Danny Wylie, Gardener
As the weather warms up, we have more to tend to than just our flower beds. The Lily Pool, located in the Main Display Garden near the weeping beech tree... more
April 21, 2023
Wildflower Surveying in Stebbins Gulch
By Sarah Kyker, Lydia Jahn, and David Burke, Science & Conservation If you see members of the soil ecology lab out in the arboretum’s natural areas, you will typically find... more
April 20, 2023
It’s Poppin’: April 20th
By Alex Faidiga, Plant Recorder
Well, we got a cold snap last weekend… but when has that ever stopped Ohio plants? New species and horticultural varieties are still popping up every day here at Holden... more
April 13, 2023
It’s Poppin’: April 13th
By Alex Faidiga, Plant Recorder Every spring, I am amazed by how much the landscape can change over the course of a few weeks (or even days, as was the... more
March 16, 2023
Historic Holden
By Ethan Johnson, Plant Records Curator
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 60s... more
February 10, 2023
Celebrating International Day of Women and Girls in Science
February 11th is the UN’s International Day of Women and Girls in Science. In honor of this special day, we had a Q&A with some of our favorite Holden Forests... more
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