It gets down to the teens here in the winter and I've never had a problem with frost bite. Just don't keep water in the coop and make sure it's well ventilated. I like pea combs on hens, personally.Actually BOTH. LOL I find giant combs unattractive, AND we have WINTER here. And I am NOT going to have to baby them. Animals that need babied suck the fun out of it for me.
Breeder and show quality with have smaller combs. Cacklehatchery carries show lines for both birds, I believe.