In August 2022, Tree133 experienced a climber fall resulting in a severe injury. For a well-respected company owned by a recognized trainer, this was an unthinkable event that challenged everything we believed about ourselves and our company culture. The [...]

Trees in our urban forest may present an unacceptable level of risk for the tree owner or manager. This is where an arborist trained in tree-risk assessment can identify the issues and provide mitigation options to reduce the risk [...]

The primary management focus for sustainable long-lived trees is to promote healthy growth that supports vigorous plant processes with adequate oxygen, water, soil health and nutrition in a suitable soil volume. Often this is a seemingly impossible task to [...]

Soil organic matter (SOM) is one of the most critical components of a healthy urban soil. While it is often a small component (<8%) of soil, it influences nearly every aspect of that soil’s ability to support tree health. [...]

Soil and foliar sampling are not exactly a new science, nor are they new ideas in the world of arboriculture. However, it is my opinion that they are still underutilized or underemphasized at the base level. As practicing arborists, [...]