Usually the tubers develop at the end of the growing season. Gianluca Corazza, Italy 2017-03-07 20:21 GMT+01:00 norton cuba melly <nortonc26@hotmail.com>: > Hello everyone, > > I have been germinating begonias from seed. The species I´m growing are > Begonia geraniifolia and Begonia octopetala, both grow in any of the > "Lomas" of Peru near the coast and in some parts of the Andes in more > elevated areas. There is not much information about them. They are tuberous > begonias and the tubers are very superficial. > > They took a month to germinate and I´ve seen them get bigger in the main > leaf, but on the first three months the tuber has only gotten as big as a > quinoa seed. > > Questions: > >Is this normal? Do they need more light maybe? How can I make them grow a > bit faster? > > I read on the internet that when they have 3 leaves you can start giving > them one drop of fertilizer( fish emulsion) directly to the tuber, once > every 2 weeks to help them develop , is this true? > > To see pictures follow this links > Begonia geraniifolia: https://goo.gl/Bcyrgk/ > Begonia octopetala: https://goo.gl/oGJDnz/ > > Best regards > Norton > _______________________________________________ > pbs mailing list > pbs@lists.ibiblio.org > http://pacificbulbsociety.org/list.php > http://pacificbulbsociety.org/pbswiki/ > _______________________________________________ pbs mailing list pbs@lists.ibiblio.org http://pacificbulbsociety.org/list.php http://pacificbulbsociety.org/pbswiki/