Don Blackmond
Omono
Boxwood are practically impervious to cold, and are about as resilient a tree as you can find for bonsai. If it does not survive a cold snap it wasn't because of the cold snap.That sucks...sorry to hear it. We had a cold snap last month that dropped the temps super low and my heater in my little greenhouse tripped the breaker on my temp controller. I’m questioning a shohin boxwood but was lucky enough to catch it early enough to get everything into the garage relatively quickly.