Just 30 minutes from downtown Cleveland, the Holden Arboretum is a living museum of exquisite collections of plants and trees on 3,500 acres with miles of trails, gardens. and woodlands. Plan Your Visit
In the heart of University Circle, Cleveland Botanical Garden is an urban oasis with mesmerizing gardens and curated glasshouses, offering a refreshing escape from the bustle of city life. Plan Your Visit
There are no better places to find unexpected seasonal beauty than at Holden Arboretum and Cleveland Botanical Garden.
Holden scientists, conservationists and community foresters are award-winning and nationally acclaimed.
Scientists agree: Global warming is real, and it’s happening today. Here in northeast Ohio, we can most clearly see the signs during spells of too-warm-too-early weather in the spring or in stronger-than-average storm fronts.
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Private landowners play a critical role in preserving Ohio’s natural heritage where a majority of the state’s eight million acres of forest are privately owned. To manage these forests, land stewards commonly employ strategies like selective thinning and removal of invasive shrubs, but what do these strategies actually accomplish?
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One of the reasons why BLD research at Holden Arboretum is important is because we are located in the same county where this disease originated. But it’s also important that we go beyond the arboretum to study this disease as it spreads in Ohio and across North America.
Read moreLearn more about our research and community forestry efforts.
April 25, 2025
KIRTLAND, OHIO — A new study from researchers at the Holden Arboretum offers encouraging news for forest managers battling non-native shrubs: the effort needed to control these invaders drops dramatically… more
April 24, 2025
The weather seems to have finally broken this week and you can tell in our gardens. Magnolias, fragrant viburnum, tulips and wildflowers abound at both campuses, and new plants are… more
April 23, 2025
KIRTLAND, OHIO — Researchers at Holden Forests & Gardens have confirmed that the nematode responsible for beech leaf disease (BLD), Litylenchus crenatae ssp. mccannii, is present in forest stands across… more
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