What Are Some Hardy Hibiscus Varieties?


Quick Answer

Hardy Hibiscus varieties include the Lord and Lady Baltimore coccineus varieties and several Hibiscus syriacus plants. Hibiscus originated in Asia and has been cultivated there for centuries. The species' longevity has given gardeners time to create cultivars that are both beautiful and hardy, often to temperatures as low as minus 20 degrees F.

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Full Answer

Two hardy varieties of Hibiscus coccineus are the famous Lord Baltimore and Lady Baltimore. The first puts forth 6-inch wide scarlet flowers on stalks that can grow 6 to 8 feet tall. The second bears pink blossoms with rich crimson centers. They are both hardy in agricultural Zones 4 through 9.

Varieties of Hibiscus syriacus flower late in the season and bloom until the frost. They are hardy in Zones 5 through 9. In cooler climates they do best planted against a wall or in a warm spot for protection. Varieties include Comte de Flanders, an old cultivar that's been around since the Victorian era. Red Heart bears a very large white flower with a red center. Pink Giant is a hybrid of Red Heart and Woodbridge, a beautiful red variety from Suffolk, England.

Hibiscus shrubs can be grown from seeds or cuttings. They also can be divided in the spring or fall every three to 10 years. They thrive in well-drained soil and full sun.

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