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 25, 2021

The Do’s and Don’ts of Mulching

Trees

Mulch provides numerous benefits…  What mulch is best? Organic, shredded (double or triple), hardwood mulch breaks down over the course of a season or two, increases the soil’s organic content...more

May 3, 2021

Got Trunk Flare?

Trees

By Gary Weinheimer, Collections Maintenance Supervisor When planting a tree, proper planting depth to keep the trunk flare exposed and inspection of the roots to remove any stem girdling roots...more

January 20, 2021

Maintaining Healthy Trees

Trees

Learn how to maintain healthy trees with a guide on site selection, tree planting, watering, pruning and other tips.

January 20, 2021

Structural Pruning of a Young Tree

Trees

Nursery grown trees are often pruned to produce a compact, bushy appearance, resulting in branches packed closely on the stem. Begin a pruning program after planting to create a mature...more