I could not help but pop in here and see what you all thought was your favorite. I personally adore jasmine. They do well in the house both Star(Confederate) and Maid of Orleans. They were out on the deck all summer and I just brought them in last week. I enjoy them year round in my home and in the greenhouse and they take very little care but lots of water. I keep them in the bird room and it adds to my enjoyment when I feed every morning and evening, plus the bird room is divided by a counter top wall with spider plants on it. I also have a camellia but it has very little fragrance. I do highly recommend the Jasmine.
I also have a plant that is called the African Gardenia I keep in my bedroom and it is a beautiful plant with a very soft lovely aroma on tiny pink flowers. I bought it at Logees years ago and it is now quite tall and I am about to cut it back. It blooms all year round in pink clusters. It takes little care but lots of water also.