The Dieffenbachia is an attractive plant that thrives indoors where its warm, humid, and free from drafts.
Its leaves are what make it so attractive. Just be careful of the sap though, as it can cause irritation to skin and eyes. A quick wash will do the trick.
To maintain, water thoroughly, but allow to dry out between drinks. Fertilize monthly during the growing season.
This plant ranks highly by NASA as a toxin & air pollutant remover.