How do you grow vanilla?

Vanilla is derived from orchids of the genus Vanilla (making it the only fruit bearing member of the orchid family) which was originally native to Mexico.

Vanilla planifola, Vanilla tahensis, and Vanilla pompona are the three major variants and are grown around the world in Madagascar, Reunion, etc (Bourbon Islands), Tahiti & other South Pacific Islands, and Central/South America, respectively

Vanilla plant!