Overwintering Glory Flower - Knowledgebase Question

Council Bluffs, IA
Avatar for rbinns
Question by rbinns
August 19, 1999
We live in zone 4, which actually borders on zone 5; when and what do I do to prepare my Orange Glory Flower (asclepias tuberosa) for winter?

Answer from NGA
August 19, 1999
Asclepias tuberosa, or butterfly weed, will die back completely after the first hard frost. Cut these down to the ground and remove them from the garden after they wither and die. New stems will grow from the perennial roots of the plant. No special preparation is necessary for your plant, but you may mulch over the surface of the soil once the ground has frozen. Use light, airy mulch material such as straw or pine boughs.

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