March 2, 2023

Protecting Your Broadleaf Evergreens from Frost Damage

By Nicholas Chilson, Garden Technician

Trees

The Eliot and Linda Paine Rhododendron Discovery Garden at the Holden Arboretum has many evergreen Rhododendrons and Azaleas. These plants, although winter hardy, are still susceptible to frost damage, and...more

October 7, 2021

Tips for Keeping Trees Healthy

Trees

Very few trees die of old age in residential or urban areas—mechanical damage and improper care pose huge threats to trees. If you don’t listen carefully to what your tree...more

August 25, 2021

Summer Tree Care Tips: Watering

Trees

Is your tree thirsty? Did you plant a new tree earlier this spring? Does the soil surrounding the trunk look like the surface of the moon? Is it showing signs...more

August 1, 2023

Rescuing Edible and Medicinal Plants

By Aisha Zungu, Woodland Community Forestry Intern

Trees

Summer is a flowering and fruiting time when many of the bushes and shrubs come to life with their colors and fruits. Summer is also a time of change for...more

June 20, 2023

Holden Forests & Gardens Receives the 2023 Program Excellence Award from The American Public Gardens Association

Trees

FOR IMMEDIATE RELEASE Holden Forests & Gardens Receives the Program Excellence Award from the American Public Gardens Association Working Woods Learning Forest™ Teaches Public and Private Landowners How to Care...more

November 18, 2022

Where do we stand today?  

By Hector Ortiz

Trees

By Hector Ortiz There was a time in North America when people saw plants and land as sacred, a gift from the Gods. The use and cultivation of some of...more

April 28, 2023

Snowballing Effects of Beech Leaf Disease Hurt Helpful Root Fungi

Soils

FOR IMMEDIATE RELEASE Severe beech leaf disease infestation hurts trees’ relationships with helpful root mutualists, ectomycorrhizal fungi. The American beech, Fagus grandifolia, is a North American staple and the dominant...more

April 25, 2023

Signs of Beech Leaf Disease found in one of Holden’s Most Popular Trees

By Sandi Cesarov, Horticulturist

Trees

Beech trees are known for their smooth gray bark and the deep shade they provide.  The American Beech is an important part of our local native beech/maple forest, which is...more

October 21, 2022

Ash Trees Are Exploding with Seeds; Researchers Are Capitalizing on It

Trees

It’s a mast year for ash trees. Holden researchers are launching a new initiative to collect ash seeds from around the region. When conditions are just right, certain trees will...more

January 12, 2023

Volunteer Eva Miller Reflects on Work with People for Trees

By Eva Miller, People for Trees Volunteer

Trees

“Was there a planting that inspired you?” I was incredibly inspired by my tree planting experience on October 18th with Holden’s Tree Corp and the Cuyahoga Metropolitan Housing Authority. My...more

January 6, 2023

Holden Forests & Gardens Receives Federal Earmark to Fund Work in Urban Forestry

Trees

(CLEVELAND) January 6, 2023 – The Holden Arboretum is pleased to announce the nonprofit organization is slated to receive $335,000 in Congressionally Directed Spending, sponsored by U.S. Senator Sherrod Brown,...more

January 4, 2023

Tree Corps Reaches New Milestone: Planting & Caring for More Trees Than Ever in Cleveland

By Rebecca Swab PhD, Director of Conservation & Community Forestry & Margaret Cook, Communications Specialist

Trees

Creating a greener city is much more than just planting trees! Speaking for the trees (as the Lorax does in Dr. Seuss’ nature loving classic, The Lorax) is important to...more