Can't understand why you lost them indoors over winter unless you watered them too much and they rotted, :-\ you can remove from pots if preferred and wrap them up in an old blanket or Hessian, covering root ball and stem and store them in a shed or garage. :)
If outdoors in the ground you could make something like this…out of plastic netting and fleece. :)
It should then withstand weather like this…notice the white stumps in the bed. 8)