When the growing season is over, do I let the leaves die back before lifting and where's the best place to store them in winter?
Lifting Begonias at End of Season
Certified GKH Gardening Expert
Once the foliage dies, you can cut it off. Place in a dry, dark place such as your crawl space or basement. This article may also help you: https://www.gardeningknowhow.com/ornamental/flowers/begonia/wintering-begonias-overwintering-a-begonia-in-cold-climates.htm