Can a very large gryphon hybrid begonia be repotted and brought indoors for the winter? The pot it is in just cannot be brought inside.
Bringing a Gryphon Begonia Indoors for Winter
Certified GKH Gardening Expert
You can, or you could overwinter it outside in a sheltered location. It may also help to wrap the pot it's currently in with bubble wrap to help insulate the plant roots. When wintry weather is expected, adding a blanket over top can also help. Here is more information on overwintering begonia plants: https://www.gardeningknowhow.com/ornamental/flowers/begonia/wintering-begonias-overwintering-a-begonia-in-cold-climates.htm