For a truly urban garden gateway, consider using concrete and steel materials to create a modern and minimalist garden arch. The clean lines and sleek design of this arch will complement any urban garden aesthetic. The concrete base provides stability and durability, while the steel frame adds an industrial touch. This garden arch can be adorned with climbing plants or string lights to create a stunning entrance to your garden. Whether you have a small courtyard or a rooftop garden, this concrete and steel garden arch will make a bold statement in your urban oasis.