How To Build a Rooftop or Balcony Garden in The Sims 3

So you want a garden on your Sim's roof or balcony, do you? Maybe you're tired of Bridgeport city buildings that have no gardens. Maybe you'd like your Sim's modern home to have a lovely cluster of Flame Fruit bushes on its rooftop! Or maybe you want to have a garden on a small lot but haven't got the room for it in the yard. Whatever your reason for wanting one, you will find it's quite easy to make one!