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HIBISCUS 'Sweet Caroline' PP7608
Hybrid Hardy Hibiscus, Sweet Caroline Hibiscus
A hardy, shrubby hibiscus ‘Sweet Caroline’ has eye-catching leaves and bloom. Its flower buds resemble ruffled narrow roses and open to swirling ruffled pink petals. It flowers from midsummer to frost, and even longer if grown in a subtropical climate. The petals open very wide and curl downward, have touches of darker pink and red-pink, and encircle a red center. Individual flowers last one day, but several dozen can be open on one plant at a time. A semi-woody, typically deciduous perennial, ‘Sweet Caroline’ has green oval leaves that may have two stubbed lower lobes on each leaf blade. Frosts will end flowering and cause leaf drop, while hard freezes will kill the plant to the ground, to then rejuvenate the following spring once the soil warms.
Give ‘Sweet Caroline’ full to partial sun and rich to average soil for best growth and flowering. It is exceptionally cold hardy, tolerant of heat and moist soil and resistant to most insect pests. Like many herbaceous hibiscuses, it is a warm season plant that is slow to emerge in spring, so it is important to warm the soil around it by pulling back any mulch at its crown. Use 'Sweet Caroline' as a stunning accent in the mixed border, in a large container, or as an informal, airy hedge.
12 - 4
4 - 9
H1, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Full Sun, Partial Sun, Partial Shade
4'-6' / 1.2m - 1.8m
2'-4' / 0.6m - 1.2m
Hybrid Origin, Asia, Australia
Clay, Loam, Sand
Sandy Brown, Gray
Feature Plant, Foundation, Mixed Border, Tropical
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