These shutters would be amazing in an outdoor room. If facing the sun when the sun is low, lower them. When the sun is high, raise them. Bar Tomate by Sandra Tarruellla Outdoor beach house
This combination of plants won't overwinter in Colorado, but consider the textures and shapes in the leaves-- hardy agaves, yuccas, joshua trees, sedums, and sempervivums would make a spectacular low-water garden.