Vertical gardening is an effective gardening technique to optimize space and make wall gardens using pots or containers. Vertical gardens are easy to manage, quite creative and mesmerizing. You will need a sunny place for this make sure that your wall receives critical sunlight for plants to grow, and a moisture friendly wall. You can use polyethylene cloth to facilitate your wall. That being said vertical gardening is quite flexible and you can use many ideas to make a vertical garden on your balcony. Here are several ways you can make vertical garden on your balcony.