By Bettyedwards
United Kingdom 
hi we have enjoyed the most beautiful flowering begonia's But dont know what to do with them when they have finished flowering,,,,,, Do we dig them up and dry the rhizome...thankyou off for next year please advise
15 Sep, 2013
you can lit the corm and keep it frost free in a cool room/shed/garage. I tend to let the foliage die back then store them in sawdust in the coal shed. I 've kept some for 5 yrs this way.
15 Sep, 2013