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.
It is really thirsty, water freely during growing months and moderately in Winter. Keep soil evenly moist, but do not overwater making the soil too soggy.