Along one end of our patio is the outside wall of our garage. We wanted to train a vine up it but had no planters along the wall. We found some flat backed large pots that we planted Virginia Creeper in.
The vines climbing up the wall, surrounded by other pots of flowers soften what would be a big ugly focal point or lack of one.
In the very center is a large wall fountain.
The vines creep up and then often fall off when too heavy. I just trim them and let them climb again.
Every spring I add more potting soil and some time release fertilizer. A single pot of ivy has grown around the fountain and pots making the area look green and lush.