Hyacinthus is the genus for the common garden hyacinth (Hyacinthus orientalis), as well as two other species not usually found in stores. These flower bulbs grow approximately six to 10 inches tall, as the University of Vermont points out.
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Marie Notnats enjoys learning about new topics and teaching people new skills. She has been writing professionally since 2008. She is a professional horticulturist with a Bachelor of Science degree in horticulture from Brigham Young University. She writes for About.com, Examiner.com, eHow, and assorted gardening blogs.