In temperate zones, probably the most commonly grown [[ornamental plant|ornamental]] species is ''[[Hibiscus syriacus]]'', the common garden Hibiscus, also known in some areas as the "Rose of Althea" or "Rose of Sharon" (but not to be confused with the unrelated ''[[Hypericum calycinum]]'', also called "Rose of Sharon"). In tropical and subtropical areas, the [[Chinese hibiscus]] (''H. rosa-sinensis''), with its many showy hybrids, is the most popular hibiscus. | In temperate zones, probably the most commonly grown [[ornamental plant|ornamental]] species is ''[[Hibiscus syriacus]]'', the common garden Hibiscus, also known in some areas as the "Rose of Althea" or "Rose of Sharon" (but not to be confused with the unrelated ''[[Hypericum calycinum]]'', also called "Rose of Sharon"). In tropical and subtropical areas, the [[Chinese hibiscus]] (''H. rosa-sinensis''), with its many showy hybrids, is the most popular hibiscus. |