My bird of paradise
I put my bird of paradise out not under 100 but all my leaves have curl up and gone all crispy does it mean it's dead
Certified GKH Gardening Expert
If you're saying it was put outside and got a chill that could explain the curling leaves.
Your plant may be rootbound and need to be repotted, but there could be other factors. This link will provide you with several different articles about Birds of Paradise that should help you identify the problem.