PHC, or Plant Health Care, gained popularity as a holistic and sustainable approach to plant management in the late 20th century. It emerged as a response to concerns about environmental and health impacts of traditional pest and disease control methods. These methods relied on chemical treatments.
In the 1980s, horticulturists, arborists, and landscape professionals recognized that a more holistic and sustainable approach was needed. This coincided with the awareness of the importance of ecological balance and adverse effects of synthetic chemicals on the environment.
The early 1990s was the start of the PHC boom when the International Society of Arboriculture(ISA) started promoting principles and practices of PHC. This was when the ISA launched its PHC program focusing on integrated pest management, soil health, and tree nutrition. This program focused on the use of cultural practices, biological controls, and reduced reliance on chemical treatments.
Ok, so now that we have a little background information on PHC, lets look at some of the different key components of a PHC Plan.