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perennial

Immortality Iris

Iris 'Immortality'

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Immortality Iris (Iris 'Immortality') at Ashcombe Farm & Greenhouses

Iris 'Immortality' flowers

Iris 'Immortality' flowers

(Photo courtesy of NetPS Plant Finder)

Height:  30 inches

Spacing:  18 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  2b

Group/Class:  Tall Bearded

Ornamental Features

Immortality Iris features bold white flag-like flowers with a buttery yellow beard at the ends of the stems in mid spring. The flowers are excellent for cutting. Its sword-like leaves remain green in color throughout the season. The fruit is not ornamentally significant.

Landscape Attributes

Immortality Iris is an herbaceous perennial with an upright spreading habit of growth. Its medium texture blends into the garden, but can always be balanced by a couple of finer or coarser plants for an effective composition.

This plant will require occasional maintenance and upkeep, and should be cut back in late fall in preparation for winter. Deer don't particularly care for this plant and will usually leave it alone in favor of tastier treats. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;

  • Insects

Immortality Iris is recommended for the following landscape applications;

  • Mass Planting
  • General Garden Use

Planting & Growing

Immortality Iris will grow to be about 24 inches tall at maturity, with a spread of 24 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 18 inches apart. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 10 years.

This plant does best in full sun to partial shade. 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. It is somewhat tolerant of urban pollution. This particular variety is an interspecific hybrid. 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  Garden 
Applications
Flowers  Plant Form 
Ornamental Features