MP_
I am the devil that you forgot
Do they need fertiliser or do you grow them in spagnum moss which I think is pretty richNah, not anymore. I used to when I was younger, but the tough part with Venus Fly Traps is that the trap mechanism only works when hairs on the inside are repeatedly triggered. You therefore have to feed them live insects that will wriggle around; dead insects won't actually be digested properly.
Carnivorous plants have evolved to eat insects, but they don't need to do so to survive.