A large-chip biochar, showing the carbon framework of tree rings. Photo courtesy of Zack Shier. Urban forests are critical to the resilience and sustainability of our cities and towns, offering ecosystem services such as temperature regulation, air and [...]

Photo 1. Canker rots typically decay the heartwood and sapwood before they kill the bark and cambium and cause cankers. Note the depressed face of the stem, and that the decay tree has reacted by forming wound wood on [...]

The Rick's Certified Arborists crew. “But what are you going to do during the winter?” was the question that always followed the words of encouragement from friends in the industry after we first started Rick’s Certified Arborists. While [...]

Distribution, Biology and Management of a Fast-Moving Invader Photo 1. Adult box tree moths have white bodies with brown heads. Wing markings are variable, often with large white central patches bordered by brown margins on both fore and hind [...]

Arboriculture is a field filled with diverse techniques and philosophies – especially when it comes to pruning. From aspect ratios to species-specific recovery times, you can find varying opinions among arborists worldwide. However, emerging research and field experience consistently point [...]