Maintenance

About 2 years ago I had a decorative 6 ft. stucco wall built to form a courtyard on the front of my house. I'm trying to learn if there is a routine maintenance I should follow for preserving it's beauty. There are plants near its base on both sides, but not right up against it. I live in Oklahoma where the summer sun is hot.

Will appreciate any advice!

Get a lawn chair and sit back and gaze at the awe inspiring beauty.