Question
Can i use a frost blanket to cover my Sarracenias.     

Jake. zone5

Answer
Hi Jake,

You can, but you'll still need to mulch them.  The frost blanket is only good to a certain temperature range.  I'm not sure if they go down to 0癋.  The blanket will give you added assurance of protection, but the mulch will be the bulk of the protection.

For more information about winter dormancy, watch our DVD, Grow Carnivorous Plants Volume 1:
http://www.cobraplant.com/DVD

Good growing!
Jacob Farin