[Bonanza]

Originally Posted by Oneiric

Zone 10. We are in 9. Will this get temporary dieback or will it be done for with our recent cold spell?

Every winter the plant should be heavily mulched and cover the area when a freeze or frost is suspected. You might will be lucky and it will come back, but you never know. Do not dig it up in the very early spring. Give it a chance as it still may come back.