The Q&A Archives: Hardy Hibiscus

Question: I am considering purchasing 1-3 Hibiscus plants (Anne Arundel) to plant outdoors. They would be located on the south side fairly close to the house. Is this type of Hibiscus truly a perennial for the state of Michigan? What are the chances of the plants with standing the winters here? If so, please offer some tips on general care and winter care.

Answer: Hibiscus moscheutos 'Ann Arundel' is reportedly hardy from zone 5, south. You're in zone 5, so a protected site should allow your Hibiscus to survive the winter weather. Provide full sun and regular, deep watering for your Hibiscus, and provide a mulch over the roots to help keep the soil moist. The stems and leaves will die down in winter but new stems will sprout each spring, providing mid- to late-summer blooms of pink on your 'Ann Arundel'. Once established, your Hibiscus should reach 6'-8' tall. After frost nips the stems, cut to ground level and remove the plant debris from your garden. If you place a thick layer of mulch over the soil, you'll help keep the ground from alternate freezing and thawing which might pitch the roots right out.

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