Photo by Melody

PlantFiles: Siberian Iris
Iris sibirica 'Snow Queen'

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Species: sibirica (sy-BEER-ah-kuh) (Info)
Cultivar: Snow Queen
Hybridized by Barr; Year of Registration or Introduction: 1900

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7 vendors have this plant for sale.

7 members have or want this plant for trade.

Siberian (SIB)

18-24 in. (45-60 cm)

12-15 in. (30-38 cm)

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)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Full Sun

Parts of plant are poisonous if ingested

Bloom Color:
White/Near White

Bloom Time:
Late Midseason (MLa)


Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Awards (if applicable):
Unknown - Tell us

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By echoes
Thumbnail #1 of Iris sibirica by echoes

By carolann
Thumbnail #2 of Iris sibirica by carolann

Thumbnail #3 of Iris sibirica by EROCTUSE2

By growin
Thumbnail #4 of Iris sibirica by growin


1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive NancyMcD On Mar 29, 2013, NancyMcD from Grand Marais, MI wrote:

'Snow Queen' was not hybridized by Barr; it was collected by him in Japan in 1900, per the American Iris Society Wiki. It is a charming, delicate iris and is well worth growing.


This plant has been said to grow in the following regions:

Palmer, Alaska
Denver, Colorado
Cordele, Georgia
Algonquin, Illinois
Red Oak, Iowa
Durham, Maine
Vienna, Maine
California, Maryland
Chelmsford, Massachusetts
Belleville, Michigan
Lincoln, Nebraska
Auburn, New Hampshire
Mahopac, New York
Columbia Station, Ohio
Beaver Falls, Pennsylvania
Norristown, Pennsylvania

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