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.
Rosmarinus officinalis, from its common name Rosemary, is most often found in kitchens as a condiment and in perfumery, but it can also be used in a medicinal environment.