Crested Iris 'Powder Blue Giant'

Iriscristata

Family
Iridaceae (eye-rid-AY-see-ee)
Genus
Iris (EYE-ris)
Species
cristata (kris-TAY-tuh)
Synonym
Spacing
6-12 in. (15-30 cm)
Hardiness
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
Sun Exposure
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
Sun to Partial Shade
Bloom Color
Parts of plant are poisonous if ingested
Foliage
Pale Yellow
Blue-Violet
White/Near White
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
Water Requirements
Where to Grow
Regional

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

Niceville, Florida

Concord, North Carolina

Wilkes Barre, Pennsylvania

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Gardener's Notes:

1
positive
3
neutrals
0
negative
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P
Niceville, FL (Zone 8b) | March 2015 | positive

This is a plant that I plant and ignore. It is a fast spreader - having runners that go under ground, they have spread the entire length...Read More

C
Port Orchard, WA | February 2011 | neutral

I have not grown this plant. There is conflicting information between Dave's Garden PlantFiles and propagator ...Read More

B
(Zone 7a) | January 2007 | neutral

This plant definitely sets seed, which I just received in generous quantity from the North American Rock Garden Society. Although it pro...Read More

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

Collected in wild, west of Litchfield, Kentucky

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