Add a touch of sophistication to your modern minimalist garden by incorporating antique obelisks with a weathered finish. These obelisks, with their simple yet elegant design, will complement the clean lines and sleek aesthetics of a modern outdoor space. Surround them with architectural plants like succulents, ornamental grasses, and bamboo. The obelisks can be used as sculptural elements, adding visual interest and vertical dimension to your garden.