I am sorry for this delayed reply to your gardening question. We are transitioning to a new Q&A system and your question was unfortunately lost in the transition. I have discovered it now and hope this reply is not too late to be of help.
Those begonias do well in a little sun to bright shade. They do however not like a sudden move from one degree of light to another and may take a while to adjust. I think with time and proper care your plants will recover and take off performing well again. Keep the soil just moist, not soggy, and allow it to dry out a bit between waterings. Fertilize with a soluble plant food at the low label rate every few weeks.
Thanks for the question. Please stop in again soon!
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