Jane: I don't want to talk about it! Everytime I think about something nice, you remind me of bad things. I only want to talk about the nice things.
Dehlia Flagg: Oh, this sounds like just the ticket, doesn't it?
Blanche: You said this last month, she's been a lot worst. Do you think she knows?
Elvira Stitt: About selling the house? How could she? You don't have anything in writing.
Blanche: We're sisters, Elvira. We know each other very well.





Answer: Blanche's fate is left ambiguous, so it's impossible to say if she survived or not. It is not revealed in the original novel. Jane would most likely be institutionalized, seeing as she is suffering a complete break from reality at the end of the film.