Repeating the design and elements in Allen's exterior -- Steel planter boxes echo the ones next to our parking area. make up the walls of this courtyard garden. Steel walls and soft grasses in travel-influenced Mirador Garden
Gabion stone wall at Maleny House in Australia. Designed by Bark Design Architects. This could be great if you left space in the top for a planter or planted right into the sides with moss, air plants, or tiny hidden sculptures.
Blasen Landscape Architecture has a really nice portfolio full of very clean and modern designs. I am totally copying the first photo, that planter with a singular tree and the cut ground cover on top, minimalism at it’s best