You haven't been to Mexico if you're worried about burning them. I've been to Ping territory during the winter and still had to wear sunglasses. It's a very bright country.
Re: Dionaea 'B52' coloration
As a said before the "lipstick" coloring is nothing unusual, but I guess seeing has to be believing for some people. Indeed I recall a telephone conversation with David Conner in 2007 where he remarked on the "lipstick" coloration it often gets. David Conner has been growing this cultivar since it was first available from Hennings at the beginning of the 21st century....... etc