Luna Series Hibiscus brings the tropical drama of enormous five-petaled blooms to gardens in zones 5 through 11, flowering reliably within 70 to 79 days from seed. This F1 hybrid descends from Hibiscus moscheutos, a native North American species, and matures into a compact bushy plant standing 24 to 36 inches tall. The flowers arrive in warm tones and persist long after many other perennials have faded, thriving even in cooler northern gardens where standard hibiscus often struggle.
Full Sun
High
5-11
36in H x ?in W
—
Moderate
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Luna Series hibiscus produces dazzling, oversized blooms on frost-hardy plants that genuinely flourish in cool North American climates where tender tropical hibiscus fail. The vigor is remarkable; these F1 hybrids grow into substantial bushy uprights quickly, rewarding gardeners with abundant flowers throughout the season. Unlike many ornamental hibiscus that demand heat and humidity, Luna Series thrives across a broad hardiness range and blooms reliably even when other flowers have given up.
Luna Series Hibiscus grows as a flowering perennial shrub, valued for its ornamental blooms in garden beds, borders, and as a landscape specimen. The large, warm-toned flowers provide extended color from midsummer onward, making them a focal point in mixed perennial plantings and cottage gardens.
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Start Luna Series Hibiscus seeds indoors 6 to 8 weeks before your last spring frost. Maintain soil temperatures between 70 and 85°F for reliable germination. Transplant seedlings under grow lights or in a bright window once they develop true leaves.
Harden off seedlings by gradually exposing them to outdoor conditions over 7 to 10 days. Transplant outdoors after all danger of frost has passed and soil has warmed. Space plants 18 inches apart to allow room for bushy growth.
Prune Luna Series Hibiscus in early spring before new growth emerges to maintain the compact bushy habit and encourage denser flowering. Remove any dead or weak stems, cutting back by one-third to one-half of the plant's height to shape it and stimulate vigorous regrowth.
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“Luna Series represents the modern hybridization of Hibiscus moscheutos, a species native to eastern North America known for its surprising cold tolerance. Rather than importing tender tropical hibiscus genetics, breeders selected for the hardiness already present in the native species and developed F1 hybrids that combine vigor, early maturation, and extended bloom in a compact form suited to northern gardens. This strategy allows temperate gardeners to grow showstopping hibiscus without coddling plants through winter or treating them as annuals.”