Ivory Queen Ornamental Onion
Allium karataviense 'Ivory Queen'
Ivory Queen Ornamental Onion in bloom
(Photo courtesy of NetPS Plant Finder)
Plant Height: 6 inches
Flower Height: 10 inches
Spread: 10 inches
Hardiness Zone: 4a
Other Names: Flowering Onion
Beautiful white globe flowers emerge from strappy blue-green foliage in mid to late spring; attracts butterflies; plant close together for an impressive massed effect
Ivory Queen Ornamental Onion features bold balls of lightly-scented white flowers rising above the foliage from mid to late spring. The flowers are excellent for cutting. Its fragrant sword-like leaves remain bluish-green in colour throughout the season. The fruit is not ornamentally significant.
Ivory Queen Ornamental Onion is an open herbaceous perennial with tall flower stalks held atop a low mound of foliage. It brings an extremely fine and delicate texture to the garden composition and should be used to full effect.
This is a relatively low maintenance plant, and should only be pruned after flowering to avoid removing any of the current season's flowers. It is a good choice for attracting butterflies to your yard, but is not particularly attractive to deer who tend to leave it alone in favor of tastier treats. It has no significant negative characteristics.
Ivory Queen Ornamental Onion is recommended for the following landscape applications;
Planting & Growing
Ivory Queen Ornamental Onion will grow to be only 6 inches tall at maturity extending to 10 inches tall with the flowers, with a spread of 10 inches. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 5 years.
This plant should only be grown in full sunlight. It does best in average to evenly moist conditions, but will not tolerate standing water. It is not particular as to soil type or pH, and is able to handle environmental salt. It is highly tolerant of urban pollution and will even thrive in inner city environments. This is a selected variety of a species not originally from North America. It can be propagated by division; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.
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