Is it generally preferable to minimize irrigation directly to plant foliage?

Minimizing irrigation directly to plant foliage is generally preferable because wet leaves can create an environment conducive to fungal diseases and other pathogens. When water accumulates on the foliage, it can lead to issues such as leaf spot diseases, powdery mildew, and other fungal infections that thrive in moist conditions.

Additionally, when water is applied directly to the soil rather than the leaves, it ensures better absorption by the root system, which is the primary area that needs moisture. This method allows the roots to access water more efficiently and helps promote healthy plant growth.

In contrast, watering foliage can also lead to issues such as leaf burn, especially under intense sunlight, as the water can magnify the heat. Therefore, the practice of minimizing irrigation directly to the foliage supports better plant health and mitigates disease risks, making it a sound approach for maintaining a thriving garden or landscape.