Plants and walls don't go together very well. As we depend on walls, and also enjoy plants, it's very common to decorate boring walls with plants. Sometimes, however, it's hard to tell what is less boring.
Limit #9 Fashion's Based on Substance
After a while, all sorts of decoration fall victim to fashion. The only thing keeping its value is the boring wall, but we don't want to look at it. Instead of letting the shortliving and expensive decoration go, we continue adding and renewing it, while silently ignoring what provides the foundation for all the beauty. Just do the boring walls justice: imagine what the decoration may look like if you'd remove the walls … The other way around isn't a big deal, obviously.