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Supreme Sultan Iris flowers
(Photo courtesy of NetPS Plant Finder)
Plant Height: 3 feet
Flower Height: 4 feet
Spacing: 18 inches
Hardiness Zone: 3a
Group/Class: Tall Bearded Iris
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.
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;
Supreme Sultan Iris is recommended for the following landscape applications;
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.