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Supreme Sultan Iris*

Iris 'Supreme Sultan'

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Supreme Sultan Iris (Iris 'Supreme Sultan') at Squak Mountain Nursery

Supreme Sultan Iris flowers

Supreme Sultan Iris flowers

(Photo courtesy of NetPS Plant Finder)

* This is a "special order" plant - contact store for details

Plant Height:  3 feet

Flower Height:  4 feet

Spacing:  18 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  3

Group/Class:  Tall Bearded Iris

Ornamental Features

Supreme Sultan Iris features bold yellow flag-like flowers with crimson falls at the ends of the stems in late spring. The flowers are excellent for cutting. Its large sword-like leaves remain green in color throughout the season. The fruit is not ornamentally significant.

Landscape Attributes

Supreme Sultan Iris is an herbaceous perennial with tall flower stalks held atop a low mound of foliage. 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

Supreme Sultan Iris is recommended for the following landscape applications;

  • Mass Planting
  • General Garden Use

Planting & Growing

Supreme Sultan Iris will grow to be about 3 feet tall at maturity extending to 4 feet tall with the flowers, 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. The flower stalks can be weak and so it may require staking in exposed sites or excessively rich soils. 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.

 

* This is a "special order" plant - contact store for details

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

Disclaimer - This Plant Finder tool is an online resource representing many of the varieties that we carry over the course of the season, and is intended for informational purposes only. Inventory varies seasonally, so we cannot guarantee that every plant will be in stock at all times - please contact the store directly for availability. It does not include our entire inventory of plants, so be sure to visit our store to see varieties that may not be represented on this list.