What is the main advantage of using native plants in landscaping?

Using native plants in landscaping offers the significant advantage of being more resilient to local pests and diseases. Native plants have adapted over time to the specific climate and soil conditions of their region, which includes developing natural defenses against local pests and diseases that might affect other, non-native species. This resilience can lead to lower maintenance requirements, as native plants typically do not need chemical treatments to the same extent as non-natives, thereby promoting a healthier ecosystem overall.

In contrast to the correct answer, the assertion that native plants require more water than non-native plants is misleading, as many native plants are adapted to thrive in local conditions and often require less water once established. The idea that they are less attractive is subjective and does not take into account the aesthetic appeal that many native plants can provide. Additionally, the notion that native plants grow faster than all other plants is not universally true, as growth rates can vary significantly based on species, environmental conditions, and care provided. Thus, the resilience of native plants to local challenges is a key benefit that supports their use in landscaping.