Well, I'm in Atlanta and it dies back to the ground when it freezes.
Mine are just now showing new green shoots coming up.

Mark Anderson wrote:

Not here in Zone 5. If left outside it dies and never comes back. What
zone does it become a shrub? If it's a shrub then perhaps, instead of
taking cuttings, this winter (it just turned Spring and I'm already
planning for winter :-) I'll bring the entire plant inside and place it
under lights.