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Cultivar Notes - 'Tropical Hibiscus'
Yes, this is the same type of hibiscus that is the state flower of Hawaii. You commonly see reds, pinks and yellows, but they also come in lavenders, bluish tones, whites, browns, golds and reds that are so dark that some people call them "black." Tropical hibiscus (rosa-sinensis) also come as singles and doubles.
They are a tropical plant and perform best in tropical conditions. They do not tolerate frost well, but that does not stop people from growing them in Canada and northern Europe -- they are brought inside to avoid freezes or they are grown as annuals.
Species Notes - Hibiscus rosa-sinensis
Few plants offer the tropical touch of tropical hibiscus. These sun-loving plants feature bold, plate-shaped flowers in a dazzling array of colors. You’ll most commonly find these flowering plants blooming in shades of red, pink, yellow, and orange, but there are also purple, lavender-blue, white, and bicolor varieties available. Some also have variegated foliage that adds appeal.
Genus Notes - Hibiscus
Hardy hibiscus form large bushy plants. They bloom mid- to late-summer and have absolutely huge, glorious crepe paper-like flowers. They grow best in full sun in moist soil. Hibiscus are very late to break dormancy and need temperatures above 50°F before growth will appear.