Coffea Arabica is easy to grow indoors, makes a very attractive houseplant and if it likes you well enough, it will even rewards you with flowers and berries!
Endangered species protected by CITES (Convention on International Trade of Endangered Species)
Produces a green fruit that is about the size of a grapefruit
Grow your own Coffee, will take approx 4 years for first harvest. It is actually very easy to grow, indoors. This is surely worth a try for something different.