What defines invasive species in landscaping?

Invasive species in landscaping are defined as plants that are non-native and can harm local ecosystems. These species often thrive in new environments due to their ability to grow rapidly and spread widely, outcompeting native flora for resources such as nutrients, sunlight, and space. Their introduction can lead to significant ecological imbalance, as they may not have natural predators in the new environment, allowing them to proliferate unchecked.

Invasive plants can disrupt local ecosystems by altering habitats, affecting the food web, and even changing soil chemistry. They may also threaten the survival of native species, leading to decreased biodiversity. In this context, recognizing the characteristics of invasive species is crucial for effective landscape management and conservation efforts.

The other options describe types of plants that do not fit the definition of invasive species. Native and beneficial plants contribute positively to their ecosystems. Plants that require minimal maintenance or are unique and rare may have their own ecological roles but are not inherently invasive unless they are non-native and disruptive to the local environment. Hence, understanding the specific criteria that make a plant invasive is essential for ensuring the health and sustainability of landscaped areas.