Tall Bearded Iris 'World Premier'

Iris

Family
Iridaceae (eye-rid-AY-see-ee)
Genus
Iris (EYE-ris)
Synonym
Spacing
36-48 in. (90-120 cm)
Hardiness
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
Sun Exposure
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Danger
Full Sun
Bloom Color
Parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction
Foliage
Light Blue
Blue-Violet
Class
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Bloom Time
Other Details
Other details
Propagation Methods
Herbaceous
Seed Collecting
Soil pH requirements
By dividing rhizomes, tubers, corms or bulbs (including offsets)
Patent Information
Awards (if applicable)
Foliage Color
Bloom Characteristics
Perennials
Water Requirements
Where to Grow
Regional

This plant is said to grow outdoors in the following regions:

Tucson, Arizona

Arbuckle, California

Newbury Park, California

Gainesville, Georgia

Naperville, Illinois

Carmel, Indiana

Cherryvale, Kansas

Salvisa, Kentucky

South Paris, Maine

Cut Bank, Montana

Beatrice, Nebraska

Lincoln, Nebraska

Lawton, Oklahoma

Myrtle Beach, South Carolina

Greeneville, Tennessee

Readyville, Tennessee

Madison, Wisconsin

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Gardener's Notes:

2
positives
2
neutrals
0
negative
Sort By:
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K
Beatrice, NE (Zone 5b) | June 2009 | positive

World Premier has been a vigorous growing, strong blooming iris in my garden. Elegant flowers. One of the best

G
Arbuckle, CA (Zone 9a) | May 2008 | positive

I highly recommend World Premier for hot climates. I'm in zone 9a. It's been blooming more than two months for me, and it still has a lo...Read More

M
Myrtle Beach, SC | June 2006 | neutral

World Premiere's falls are a beautiful deep inky color--hard for me to capture accurately with the camera.

J
J
Belfield, ND (Zone 4a) | March 2006 | neutral

Awards: American Iris Society Honorable Mention 2000; Award of Merit 2002; John C. Wister Medal 2004

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