Tree & Shrub Care

Urban tree canopies (UTCs), i.e, the layers of leaves, branches, and stems that cover the ground in cities, are essential tools in managing stormwater, particularly in dense urban areas like those across Southern California. In landscapes dominated by impermeable surfaces such as pavements and rooftops,…

This guide explores the common causes of leaf scorch and branch dieback in trees, emphasizing that these symptoms are usually signs of stress rather than specific diseases. It presents a diagnostic framework rooted in understanding resource flow disruptions—trees either lack essential resources, cannot…

Worried your tree is dying? Learn how to spot signs of distress and what steps to take to identify the cause and possibly save it.

Learn about one of the major diseases associated with poor water management, Phytophthora root and crown rot.