Tuberous Begonia propagation

Brian Whyer
Sun, 05 May 2013 08:00:58 PDT
I have some pots of tuberous Begonia, which when I need to I usually propagate from stems cuttings in summer, but I notice these pots have many shoots coming and was wondering if now might be a reasonable time to divide the tubers?
According to this… is the suggested time. The pots themselves are full of fibrous roots. Are these perennial roots or annual roots that will be replaced naturally? I.e. can I just chop the root ball, and then the tuber safely up now? All this years shoots are only a cm or so tall so far. The pots were kept in a sheltered cold frame over winter.
Brian Whyer, Buckinghamshire, England, zone ~8 ish

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