Creating a yard boundary that combines low-maintenance with stylish aesthetics can be somewhat of a landscape conundrum. Yet, it is achievable by carefully considering materials, plants, and design philosophies that favor simplicity and durability over intricate and high-upkeep choices.

Firstly, selecting the right materials for your fence or wall is crucial. Materials like vinyl or composite fencing offer longevity and require minimal upkeep compared to traditional wood fences which necessitate regular staining or painting. These modern materials come in various colors and styles, allowing homeowners to choose options that complement their home's exterior without sacrificing personal taste for practicality.

For a green boundary option, consider planting a hedge. Evergreen shrubs like boxwood or yew provide year-round privacy and only need trimming once or twice a year to maintain shape. They create a natural-looking barrier without the constant attention that flowering plants might demand.

In terms of design, simplification is key. A straightforward linear layout is not only contemporary but also easier to manage than complex patterns or structures which can become burdensome to maintain. Incorporate hard landscaping elements such as stones or pavers; these materials don't require much care beyond occasional cleaning and can delineate spaces effectively while adding textural contrast.

Another aspect worth pondering is the incorporation of native plants into your boundary scheme. These species are adapted to local conditions meaning they're more resistant to pests, diseases, and fluctuations in weather – reducing the need for fertilizers, pesticides, and water. Thus they provide an eco-friendly solution that supports local wildlife while requiring less from you in terms of resources and time.

Lastly, automation can play a significant role in easing maintenance demands. Installing drip irrigation systems ensures plants receive just the right amount of water without daily intervention from you. Similarly, lighting with timers adds both security and ambiance after sunset without needing manual control each night.

In conclusion, crafting a low-maintenance yet stylish yard boundary hinges on smart material selection coupled with thoughtful design choices focused on self-sufficiency and sustainability. By embracing modern solutions alongside nature's resilience—and perhaps some technological assistance—you can achieve an attractive perimeter for your outdoor space that won't enslave you to its upkeep.