To effectively manage interiorscape plant diseases, which method is not recommended?

To effectively manage interiorscape plant diseases, replacing potting medium weekly is not a practical or recommended method. Regularly changing potting medium can lead to unnecessary stress on the plants, disrupt root systems, and incur higher costs and labor. This method may not effectively prevent or manage diseases, as many pathogens can still be present in the environment or on plant surfaces, regardless of the new medium.

In contrast, proper fertilization helps ensure that plants remain healthy and resilient against diseases; adequate irrigation and drainage prevent water-related diseases by reducing moisture buildup that fosters pathogens; and sanitation practices, such as removing dead foliage or disinfecting tools, are essential in minimizing the spread of diseases within plant environments. These methods are all focused on creating an optimal environment for plant health and disease prevention, making them much more effective strategies compared to the frequent replacement of potting medium.