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How To Care For Begonia Rex. You May Also Like. 3302018 Nitrogen is all-important for leaf production and although rex begonias do flower you can pinch out or snip off the flowers when they come in winter to chivvy the plant into putting all its energy into leaf production.
If this happens continue to water sparingly until spring when new leaves will re-appear. 10272020 Most average home temperatures will be completely fine for the rex begonia vine. The Rex Begonia has a somewhat unfair reputation that it is difficult to take care of.
However dont ever let the soil completely dry out.
However dont ever let the soil completely dry out. It is grown for its large colorful leaves rather than its small pink flowers. Rex begonias like conditions with high humidity. If this happens continue to water sparingly until spring when new leaves will re-appear.