Japanese Water Iris, Japanese Flag, Russian Iris 'Rose Queen'

Irisensata

Family
Iridaceae (eye-rid-AY-see-ee)
Genus
Iris (EYE-ris)
Species
ensata (en-SA-tuh)
Synonym
Iris kaempferi
Spacing
36-48 in. (90-120 cm)
Hardiness
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
Sun Exposure
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)
Danger
Full Sun
Bloom Color
Parts of plant are poisonous if ingested
Foliage
Rose/Mauve
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:

Grand Marais, Michigan

Belfield, North Dakota

Hixson, Tennessee

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Gardener's Notes:

2
positives
1
neutral
0
negative
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T
| May 2011 | positive

Here in the UK I grow 'Rose Queen' in my garden borders as well as in a shallow water feature. This iris never fails to bring admiring g...Read More

N
Grand Marais, MI | August 2010 | positive

Rose Queen grows and blooms well in a large pot in a huge saucer of water here. She even overwinters very well in the pot, despite our Z...Read More

J
J
Belfield, ND (Zone 4a) | February 2007 | neutral

American Iris Society register notation: Unknown parentage. Originally introduced in 1915 under erroneous name "I laevigata Rose Queen" "

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