If you are planning to plant Ornamental Plants / Flowers in the Pot, you do not need a large area, a small lawn can even be utilized for gardening. For example, by placing the plant in the pot. All you need to know is what is needed by your plants. Read more here, http://gardenlandscape.wannah.net/2015/10/05/tips-for-growing-ornamental-plants-in-the-pot/