Answer: Tuberous begonias should be planted in containers so they can be removed and stored during their dormant period. Plant your tubers in containers now, placing them only one inch deep (concave side up) in moistened potting soil. Provide afternoon shade, plenty of air circulation, and keep the soil moist, watering thoroughly when the top just begins to dry out. In the autumn, when the leaves begin to yellow, reduce watering. When the stems have fallen off, remove the tubers from the soil and allow to dry in the sun for 3 days. Then store in a cool, dry place. Replant when pink buds begin to show in the early spring, using fresh potting soil.
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