Tuberous Begonias

[Hector]

I've never grown these before. I've put them on a compot sand mix on trays and kept the compost so not dmp/dry...nice healthy looking shoots are coming up but no sign of root development...how long does that usually take?
Jackie

[Hector]

[daileg]

i was just reading the link for this have a look http://www.thegardenersalmanac.co.uk/Data/Begonia/Begonia.htm

[Hector]

what a superb link! Thank you :)