Yes Nhu In half/end October the stem is over half a meter long I bury 40 cm stem then with 5 cm soil They produce then more tubers Roland > Roland, when you said you bury the stem, do you mean you treat them as if > you were growing potatoes? > > Nhu > > -- R de Boer La Maugardiere 1 F 27260 EPAIGNES FRANCE Phone./Fax 0033-232-576-204 Email: bulborum@gmail.com