A topiary wall is a really great way to open up your yard. It is a fun addition to any wall, and it is actually quite simple to achieve a simple and modern look in a few hours of work. Probably the easiest way to achieve the topiary wall look is to buy a wall mat that has topiary plants growing out of it. You can buy a topiary wall mat at almost any home improvement store. In addition, there are also topiary animal forms that you can buy for your wall. These adorable decorations might be able to spice up your topiary wall decorations.
By incorporating geometric shapes into your yard, you are giving it more dynamics. Some spheres and cubes can make a bland backyard look stunning when done by experts. When you have a garden shed in the middle of your yard, you could have the walls covered with fresh topiary and make the structure fade into the foliage. You could also experiment covering the stairs with some plants and adding some small stones to make it look more natural.
You would need 4 to 5 dozen to cover a 6 foot by 8 foot tall wall.