Yes, you want to cut off all of the winterkill, cut to a bud that is facing away from the center of the plant. The idea is to keep the center from becoming crowded. For the same reason, prune out any side branches growing toward the center of the plant. Prune out any wimpy stems growing from the base of the plant, leaving only 3-5 of the stockiest, healthiest stems to remain.

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Terry

May the force be with you