As perennials, these plants typically do best in warm and hot climates where temperatures are consistently above 60 degrees Fahrenheit outside. In USDA Zones 5 and colder, treat begonias as an annual.

Can you grow polka dot begonias indoors and outdoors? You can grow polka dot begonias both inside and outside. They grow best in indirect but bright light. So planting them in a shaded area of the ...