I'm in zone 6. My dwarf Cannas are in large pots. After a freeze blackens the foliage can I just move the pots into the garage (attached to the house and does not get below freezing) and stop watering or must I dig up the rhizomes and store? Reply
I'm in zone 6. My dwarf Cannas are in large pots. After a freeze blackens the foliage can I just move the pots into the garage (attached to the house and does not get below freezing) and stop watering or must I dig up the rhizomes and store?