Tuberous: Early to late summer. Fibrous: Spring to late fall.
Throughout the United States.
Use a garden soil that''s rich in organic material.
Water thoroughly when the soil is moist. Do not let the plants dry out.
Start tuberous begonias indoors in the early spring. If you live in warm areas, you may start them outdoors. For fibrous begonias, start them outdoors in the spring. In very warm areas, you may start them year-round.
Tuberous: Fertilize every 2 weeks. Stop fertilizing about 6 weeks before the first fall frost. Fibrous: Fertilize every 2 weeks with an all-purpose plant food.
Tuberous: Filtered light to full shade. Fibrous: Full shade to half-day sun. Dark-colored plants can tolerate full-day sun.