Traditionally, hardy hibiscus were large, rangy plants with large, rounded, medium-green leaves. Plant size now varies greatly, so be sure to take that into consideration when selecting a hardy hibiscus.
The leaves of this hardy hibiscus are copper-red on top and orange-red underneath. Ruffly white to pale pink flowers, 10 to 12 inches across with a distinct red eye, bloom from midsummer to mid-fall with deadheading.
Hardy Mallows or hardy Hibiscus are mostly growing as perennial, woody shrubs. All require a well drained soil in full sun and plenty of water in summer, so that they make their flowers in profusion all summer long.
To add to the genetic opportunities, Hibiscus rosa-sinensis has been successfully hybridized with the cold-hardy Hibiscus moscheutos and several other North American Hibiscus species, producing cold-hardy hybrids (see cold-hardy Hibiscus cultivars).
Many are surprised to learn that there is a cold hardy hibiscus that will grow in wet swampy conditions, bloom all season and draw hummingbirds to the garden.
Easy to Grow Perennials ...
Growth Rate: Perennial hibiscus generally reach mature height within two or three years, and return to that height each year. Best growth occurs when plants have ample moisture. Many hardy hibiscus are capable of blooming the first year from seed ...
Hardy Hibiscus Plant and Tree
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 See also: Hibiscus, Pink, Green, Varieties, Rose
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