Tuberous begonias are tender perennial plants ... this could lead to stress and burning of your plant. Instead, go with ...
Tuberous: As their name implies, these begonias grow from tubers ... of a plant and can only be seen when the plant is taken out of a pot and the roots exposed," says VanWyk.
Begonias come in all kinds of colors and styles and are easy to propagate. Martha Stewart explained the method she uses for these plants in her greenhouse.