These begonia tubers in prima donna white add an elegant touch to your outside space'. '.strtoupper('p')erfect as a focal point on their own or blended with other colours, these are our biggest begonias.they produce compact, upright plants with extra strong stems and huge ruffled blooms around 3 4 per plant at a time that can reach up to 20cm 8 across and are very long lasting'. '.strtoupper('h')eight 35cm 14'. '.strtoupper('f')lowers july october'. '.strtoupper('p')lease note we are not normally able to accept orders for tubers after mid april.top quality plants that will bloom for months'! '.strtoupper('m')ost of our begonias are from the gent nursery of arnold van peteghem who has been creating the very best new hybrid strains for more than a quarter of a century'. '.strtoupper('b')looms are much larger and more brightly coloured and are borne on extra strong stems making the plants more weather resistant.