Dunno if anyone has tried this before, but I recently started growing my young H. pulchella like an epiphyte on the side of another pot.
Since then, it has responded with better coloration as its now closer to the light and has started putting out more mature pitchers.
The pot is hung into a basket which is lined with live Sphagnum moss which is thriving. Therefore I'm hoping that it will provide enough room for the roots of the pulchella to keep on growing.
Anyway, here are a few photographs: