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When digging up your canna bulbs for winter storage, you should leave as much soil around the roots as possible. Allow the bulbs to sit a few days out of direct sunlight, then put the entire clump into a large paper bag. Any bare roots that are showing should be covered with dampened peat moss. Close the bag and store in a cool area. However, do not put store them in an area where your bulbs may freeze. By spring, you will notice that your clump is starting to sprout.
Question - OSU extension says to wash off the bulbs before storing - so do you wash or not? Also - do you seal the plastic bag? I am worried about the bulbs rotting.
Thanks, it answeres my questions.
do you let the foliage die back then lift the bulbs