Leave it to a green car manufacturer to create an entirely green ad for the vehicle. The Toyota Prius Flower Billboard is completely made out of flowers or other growing, live plants.
Following it tag line of “Harmony between man, nature and machine,” these ads grace various California highways, and depict a Pirus sitting atop of a hill. The Toyota Prius Flower Billboard is an innovative way to push an eco-friendly product.
Implications - For a company whose main hook is the fact that it's the first stylish and effective car that is considerably more environmentally friendly than others on the road, a commercial like this is a trump card.