I live in zone 7 and I have several monarch butterfly chrysalises attached to plants. They probably will not survive the winter here and they've been hanging for several weeks. Should I assume that they are no longer viable?
Certified GKH Gardening Expert
They will commonly overwinter just fine in zone 7. This link will help you to add extra protection to an overwintering chrysalis: https://www.joyfulbutterfly.com/overwinter-chrysalis/