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Heartthrob Hibiscus flowers
(Photo courtesy of NetPS Plant Finder)
Height: 4 feet
Spacing: 4 feet
Hardiness Zone: 4a
Other Names: Rose Mallow, Hardy Hibiscus
Near-black pointy buds open to reveal showy, large ruffled crimson red blooms in mid to late summer; attractive pointy mid-green leaves; do not allow to dry to wilting point
Heartthrob Hibiscus features bold crimson round flowers at the ends of the stems from mid summer to early fall, which emerge from distinctive black flower buds. Its pointy leaves remain green in color throughout the season.
Heartthrob Hibiscus is an herbaceous perennial with an upright spreading habit of growth. Its relatively coarse texture can be used to stand it apart from other garden plants with finer foliage.
This plant will require occasional maintenance and upkeep, and should be cut back in late fall in preparation for winter. It is a good choice for attracting butterflies and hummingbirds to your yard. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;
Heartthrob Hibiscus is recommended for the following landscape applications;
Planting & Growing
Heartthrob Hibiscus will grow to be about 4 feet tall at maturity, with a spread of 5 feet. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 4 feet apart. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 5 years. As an herbaceous perennial, this plant will usually die back to the crown each winter, and will regrow from the base each spring. Be careful not to disturb the crown in late winter when it may not be readily seen!
This plant does best in full sun to partial shade. It requires an evenly moist well-drained soil for optimal growth, but will die in standing water. It is not particular as to soil type or pH. It is highly tolerant of urban pollution and will even thrive in inner city environments. Consider applying a thick mulch around the root zone in winter to protect it in exposed locations or colder microclimates. This particular variety is an interspecific hybrid. It can be propagated by cuttings; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.