Do-it-yourself landscaping with free materials is an appealing alternative. Gain garden space and hillside access while protecting against erosion. Tires are a dark neutral gray and when cascading plants grow over them, they recede to shadow and visually disappear.
These three examples show a wall under construction, a wall hidden behind of bank of strawberries and another behind watermelon plants.
Steel Belted Tires are recommended for these Projects.