Learn how to identify red maples with step-by-step instructions from HF&G Plant Recorder Margeaux Apple.
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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
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
September 17, 2025
Restoring Forests, Engaging Landowners, Advancing Science—All in One Place
By Anna Funk, PhD, Science Communications Specialist
A version of this article originally appeared on The Applied Ecologist. What would it look like to combine scientific research, public education, and ecosystem restoration all in one place? Less... more
June 11, 2025
Celebrating Forest Stewardship at the 4th Annual Working Woods Field Day
By Annie Weight, Forestry Outreach Fellow
On Saturday, June 7th, nearly a hundred forest lovers from across our region – from Franklin County, OH to Erie County, PA – gathered for the fourth annual Working Woods... more
April 29, 2025
New Study Confirms Beech Leaf Disease Threatens European Beech Trees, Too
KIRTLAND, OHIO — A new study from Holden Forests & Gardens and a team at USDA Agricultural Research Service confirms that beech leaf disease—a fast-spreading disease already devastating American beech... more
April 28, 2025
A New Way to Detect Beech Leaf Disease: Rainwater Running Down Tree Trunks
KIRTLAND, OHIO — How do you detect a pathogen that lives way, way up in a tree’s canopy? A novel method for detecting beech leaf disease from the ground—using rainwater... more
April 25, 2025
Good News for Forests: Invasive Shrub Removal Gets Easier After Two Years of Work
By Anna Funk, PhD, Science Communications Specialist
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




