There are 2 ways to freeze rosemary:1. Send her out in the winter without a coat.2. Put her in the deep freezor.
Place it in a zip-top plastic bag and push the air out, then freeze. It can also be good to wrap the springs lightly in a single-ply paper towel inside the bag, too.
it will freeze in to a ice block
Yes it can freeze.
From experience, no, they blow up. And that's not even sarcasm! no you can notyou only freeze the liquid inside the cannothing more