Hibiscus plant named '15516 GR'
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'15516 GR' is a new and distinct hardy herbaceous Hibiscus hybrid with novel characteristics that include upright branched stems, numerous, outward-facing, flowers that are between dark red and dark purplish red with a dark red center eye, a prolonged blooming season, and cordate leaves.
Malinowski, Dariusz P.; Pinchak, Willam E.; Brown, Steve R. (2020). Hibiscus plant named '15516 GR'. United States. Patent and Trademark Office; Texas A&M University. Libraries. Available electronically from