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Ozawa Ornamental Onion

Allium thunbergii 'Ozawa'

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Ozawa Ornamental Onion (Allium thunbergii 'Ozawa') at Plants Unlimited

Ozawa Ornamental Onion flowers

Ozawa Ornamental Onion flowers

(Photo courtesy of NetPS Plant Finder)

Ozawa Ornamental Onion (Allium thunbergii 'Ozawa') at Plants Unlimited

Ozawa Ornamental Onion

Ozawa Ornamental Onion

(Photo courtesy of NetPS Plant Finder)

Plant Height:  6 inches

Flower Height:  12 inches

Spread:  9 inches

Sunlight:  full sun 

Hardiness Zone:  2b

Other Names:  Flowering Onion

Description:

Interesting pink globe flowers emerge from narrow strappy dark-green foliage late in the season; attracts butterflies; plant close together for a massed effect

Ornamental Features

Ozawa Ornamental Onion features bold balls of lightly-scented fuchsia flowers at the ends of the stems from early to mid fall. The flowers are excellent for cutting. Its fragrant sword-like leaves remain green in color throughout the season. The fruit is not ornamentally significant.

Landscape Attributes

Ozawa 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.

Ozawa Ornamental Onion is recommended for the following landscape applications;

  • Mass Planting
  • Rock/Alpine Gardens
  • Border Edging
  • General Garden Use
  • Groundcover
  • Herb Gardens

Planting & Growing

Ozawa Ornamental Onion will grow to be only 6 inches tall at maturity extending to 12 inches tall with the flowers, with a spread of 9 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.

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Massing  Rock  Edging  Garden  Groundcover  Herb 
Applications
Flowers  Texture  Plant Form  Attracts Wildlife 
Ornamental Features

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