The plants came in September'04. N.campanulata only pitchered for me more than 2 months later. Seems that the ventricosa and veitchii parentage does help in growth rates. And of course, the size too. *I suppose the plants are considered young, so I'm looking forward to the adult pitchers.
N.campanulata x N.veitchii
N.ventricosa x N.campanulata