Bartlett Tree Experts - Columbus, OH

10/21/2026

Beech leaf disease (BLD) has yet to reach Franklin County, however it was confirmed in Knox County in 2025. If you have beech trees on your property, know what to look for. Bartlett has been instrumental is discovering effective treatments for BLD!

Beech leaf disease is a tree disease caused by a foliar feeding nem...

10/17/2026

One of the most common tree failures we see is co-dominant stem breakage. Co-dominant stems are forks in the main stem of the tree that result in two or more large branches. Research on these junctions has revealed that they are only half as strong as a trunk without a fork.

10/07/2026

That humble ring of mulch around trees is surprisingly beneficial. Dr. Borden, from the Bartlett Tree Research Lab, explains the positive effects on tree and shrub health here: https://www.bartlett.com/tree-tips/residential/autumn-2026/benefits-mulching/259/.

Proper mulching around trees and shrubs is one of the best things you can do to promote healthy roots and soil. When done correctly, mulching can provide...

09/30/2026

09/24/2026

09/16/2026

This white, gray powdery substance on the leaves is evidence of a f...

09/11/2026

09/07/2026

09/03/2026

The Bartlett Tree Research Lab is one of the things that sets apart. Flower Magazine recently highlighted one of our PhD scientists working at the lab: https://flowermag.com/bartlett-tree-research-laboratories/.

At Bartlett Tree Research Laboratories the life of a treasured tree—or a forest—is often literally out on a limb.