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!
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.
Endangered species protected by CITES (Convention on International Trade of Endangered Species)
Produces a green fruit that is about the size of a grapefruit