Ornamental Onion is a perennial that has small lilac-purple flowers that form ball clusters. It grows about 10-24 inches tall and its leaves have a slight onion fragrance when crushed. Ornamental Onion is deer resistant and drought tolerant. It grows best in full sun..

In The Garden | 2013 - 2014 UNC-TV

Episode 1105: Plant of the Week-Ornamental Onion

In the Garden, a 30-minute weekly educational program hosted by N.C. State University's Bryce Lane, introduces viewers to the science behind gardening. The series is offered in 3 26-week seasons as a college course through the university's continuing education program. Viewers will learn the fundamentals of horticulture -- how plants grow, plant identification, home landscaping techniques and information and ideas they can use in and around their homes.

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In The Garden | 2013 - 2014 UNC-TV