Learn how to identify red maples with step-by-step instructions from HF&G Plant Recorder Margeaux Apple.
Here’s more to explore
March 21, 2024
Let’s Celebrate the Forest Today
By Rachel Kappler, Great Lakes Basin Forest Health Collaborative (GLB FHC) Coordinator
It is the International Day of Forests, a day to celebrate local forests and this year’s theme is Forestry and Innovation. You might be surprised to find out that Holden... more
March 13, 2024
Monitoring Hemlock Woolly Adelgid Colonization
By Danny Dlugos, PhD, Senior Research Specialist - Plant Breeding
Eastern hemlock (Tsuga canadensis) is one of the most recognized trees in Northeast Ohio. Native to the eastern United States and Canada, it ranges from Nova Scotia south along the... more
February 29, 2024
Don’t Be Over-elm-ed When Planting a Tree
By Amanda Wood, Urban Community Forester
Even though the weather is still trying to figure out what it wants, spring is around the corner which means trees will be putting out leaves soon! This means that... more
January 29, 2024
Girdling and Invasive Species Management: A Recipe for Healthier Forests
By Chad Knisley, Natural Areas Manager
We have over 2,000 acres of forest at Holden Arboretum. Our conservation department cares for these forests, with goals of improving their health and function. Several years ago, we initiated... more
January 23, 2024
Can inoculated soils promote healthy urban trees? Preliminary results
By Claudia Bashian-Victoroff, MS, Research Specialist
Preliminary results from a Holden research project testing soil inoculations for improvement of urban tree plantings. more
January 16, 2024
A Beginner’s Guide to Pruning
By Maggie Billings, Native Plant and Pollinator Specialist, AmeriCorps Member
Pruning is a must know when it comes to tree and garden care, but why? Pruning often rejuvenates plants and allows them to grow more efficiently. Taking off old growth... more
January 9, 2024
Protecting Eastern Hemlocks from Tiny Tree-Killing Invaders
By Albert Jackson, Conservation Seasonal
The Holden Conservation Department is on the hunt for tiny tree-killing pests. During the early and mid-20th centuries, two non-native tree dwelling insects were unintentionally introduced to the eastern United... more
December 29, 2023
2023: An incredible year of service to plants, trees and people
By Ed Moydell, President & CEO
By Ed Moydell, President & CEO As we reflect on another year, I am delighted to share some of the success we’ve achieved together at Holden Forests & Gardens in... more
December 18, 2023
Why and How We Collect and Store Tree Seeds at the Holden Arboretum
By Rachel Kappler, Great Lakes Basin Forest Health Collaborative (GLB FHC) Coordinator
Holden Arboretum is home base for the Great Lakes Basin Forest Health Collaborative (GLB FHC). As Holden’s Forest Health Coordinator, I collect a lot of tree seeds. Collected seed for... more