Dumb Cane DieffenbachiaDieffenbachia is an easy to care for houseplant; all it requires is humidity and frequent watering. To ensure that it receives enough moisture, you can either mist the leaves daily or keep a tray underneath the pot with a little water in it to keep the soil damp. Dieffenbachia has foliage that can vary in color from green to creamy white, depending on the variety.