What typically characterizes a high-quality landscape design proposal?

A high-quality landscape design proposal is characterized by various elements that contribute to sustainability, functionality, and aesthetic appeal. One key aspect is the use of low maintenance plants, which helps ensure the landscape remains attractive with less effort and resources over time. This is particularly important in areas with limited water availability or where maintenance resources may be constrained.

Incorporating local species into the design is also essential. Native plants are often better adapted to the local environment, requiring less water and being more resilient to pests and diseases compared to non-native species. This promotes biodiversity and supports local wildlife, which can enhance the ecological value of the landscape.

Effective space utilization is another critical characteristic. A well-crafted proposal maximizes the usefulness of the available space, whether for recreation, aesthetic enjoyment, or environmental health. Thoughtful arrangement creates functional areas, improves accessibility, and can enhance the overall user experience.

By combining low maintenance requirements, local ecological compatibility, and efficient space usage, a high-quality landscape design proposal comprehensively addresses environmental and aesthetic needs, thus making option D the most complete and accurate choice.