Furthermore, it has been proven that by having greenery in retail shops, malls, restaurants, cafes, bars and other businesses, the number of patrons increases. Studies have also attributed significantly higher occupancy rates at hotels which incorporate gardens and plants compared to those without. A green wall is a great way to provide the greenery that people want. If they feel less stress, become more relaxed, they will end up staying longer in your establishment. This also means that they will probably spend more.