Begonia 'Irene Nuss' in a 1gal plastic pot.

Light: Very Bright Filtered Light
Needs very bright, but indirect or filtered light. West or South facing window is best, but out of hot direct sun. 

Water: Moderate
Allow soil to dry out 2in between watering. Do not allow to dry excessively. Benefits from humidity, but tolerates average household humidity well. Water soil, not leaves.

Toxicity Level: Toxic to animals if ingested. 

In the Bay Area, CA, this plant can also live outdoors in shade. 

Learn more about your light here.