The Dieffenbachia plant does well as a house plant, thriving with year round room temperatures The plant cannot handle full sun but does appreciate good lighting, like you would find in a kitchen.
In fact, high temperatures and bright light can make Dieffenbachia weak and sickly.
Watering and Feeding
Dieffenbachia likes humidity and during the summer lots of water. Keep soil moist but not wet. Reduce watering during the winter season.