For various I had to lift my canna lily before we had a frost and it was still growing and hadn’t gone dormant. What I am wondering is if it didn’t go into dormancy will that affect whether the rhizome will grow when I plant it in the spring? Thanks
Cut the tops off, put it in winter storage using recommended methods and replant in spring. Either in an indoor situation like a greenhouse to get it going before frost is over or directly outside after frost is over. Same as with dahlias, tuberous begonias and so forth, through the list of tender bulbs planted in spring instead of fall.