I used to live in florida, knowing the nights there, it might be a bit too steamy, but i've never grown darlingtonia before.
. I somewhat doubt that I can grow them here now. I like them, though.
If you live in climates that the nights stay warmer than that then people report success in growing these in large, tall pots with a light airy mix and frequent top watering. Pure live Sphagnum is recommended. Dead long fibered sphagnum is not recommended as it tends to break down rapidly (especially the Chilean stuff) from the heat and constantly wet conditions. Repotting should be kept to a minimum as root disturbance can put Darlingtonia growth back up to a year.
You can use chilled water or ice cubes (no tap water unless it is CP safe) if you wish. It won't hurt.
The book also recommends growing them inside, on an eastern window sill.
I think it's too hot where I live. Heck, it's in the 90s now, and it's not even summer yet.