PLANTS Hardy Hibiscus (Including Confederate Rose, Hibiscus mutabilis) By Dr. William C. Welch Professor and Landscape Horticulturist Texas A&M University, College Station, Texas. The giant rose mallow has the largest flowers of any hardy perennial. Some of the hybrids may be one foot in diameter.
Musk mallow, also called abelmosk, (species Hibiscus moschatus, H. abelmoschus, or Abelmoschus moschatus), annual or biennial plant of the hibiscus, or mallow, family (Malvaceae), native to India. It grows 0.6–1.8 metres (2–6 feet) tall and bears large yellow flowers with red centres.
Both of these plants are native to Asia. Rose of Sharon, also known as Mugunghwa, is the national flower of South Korea. Chinese hibiscus, or Raya Bunga, is the national flower of Malaysia. Other members of the mallow family with similar large flowers include the marsh mallow, from whose roots the original marshmallows were made; okra; and cotton.
FIRST IMPRESSIONS: Hibiscus coccineus is a striking tall boy that injects architectural interest into the late summer garden. This robust wildflower has sturdy stems with bold palmately lobed leaves. In summer, plants are crowned by large striking red flowers similar to those of the tropical hibiscus.
Swamp mallow (Hibiscus moscheutos), also known as rose mallow hibiscus or swamp hibiscus, is a shrubby, moisture loving plant in the hibiscus family that provides big, showy flowers from mid-summer to autumn. The plant performs well along pond edges or other damp areas.