I grow my Pinguicula in a bunch of different mixes, just depends what else I was potting at the time, they all have a topdressing of silica sand on their pots.
I grow my plants under T5 high output bulbs, two per shelf.
D. ordensis never fails:
My first Pinguicula propagation success, P. cyclosecta:
D. paradoxa is also quite nice:
P. gigantea is my favorite ping by far, very tough:
Sphagnum growing in with some D. adelae, this sp does well in lowland conditions but I believe it is a temperate species:
D. adelae, my favorite dew to photograph since it has so much dew all the time: