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Dwarf Crested Iris

Iris cristata

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Dwarf Crested Iris (Iris cristata) at Ashcombe Farm & Greenhouses

Iris cristata flowers

Iris cristata flowers

(Photo courtesy of NetPS Plant Finder)

Plant Height:  6 inches

Flower Height:  8 inches

Spacing:  7 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  3b

Ornamental Features

Dwarf Crested Iris has masses of beautiful lavender flag-like flowers with powder blue overtones, white throats and a yellow beard at the ends of the stems in mid spring, which are most effective when planted in groupings. Its sword-like leaves remain green in color throughout the season. The fruit is not ornamentally significant.

Landscape Attributes

Dwarf Crested Iris is an herbaceous perennial with an upright spreading habit of growth. Its relatively fine texture sets it apart from other garden plants with less refined foliage.

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;

  • Spreading
  • Insects

Dwarf Crested Iris is recommended for the following landscape applications;

  • Mass Planting
  • General Garden Use
  • Groundcover
  • Naturalizing And Woodland Gardens

Planting & Growing

Dwarf Crested Iris will grow to be only 6 inches tall at maturity extending to 8 inches tall with the flowers, with a spread of 8 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 7 inches apart. Its foliage tends to remain low and dense right to the ground. 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 requires an evenly moist well-drained soil for optimal growth, but will die in standing water. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution. This species is native to parts of North America. It can be propagated by division.

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Massing  Garden  Groundcover  Naturalizing 
Applications
Flowers  Texture  Plant Form 
Ornamental Features