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Iridaceae
Japanese Water Iris, Japanese Flag, Russian Iris 'Christina's Sister'
Iris
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Family
Iridaceae
(eye-rid-AY-see-ee)
Info
Genus
Iris
(EYE-ris)
Info
Synonym
Hybridized
Copeland
Registered or introduced
2009
Height
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Spacing
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
Hardiness
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
Danger
Parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Blue-Violet
Lavender
White/Near White
Foliage
Herbaceous
Class
Japanese (JI)
Bloom Time
Midseason (M)
Bloom Time
Unknown - Tell us
Bloom Time
Unknown - Tell us
Bloom Color
Unknown - Tell us
Bloom Time
Unknown - Tell us
Bloom Color
Unknown - Tell us
Class
Unknown - Tell us
Bloom Color
Unknown - Tell us
Bloom Time
Unknown - Tell us
Other Details
Other details
Unknown - Tell us
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
Soil pH requirements
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
Patent Information
Non-patented
Awards (if applicable)
Unknown - Tell us
Foliage Color
Unknown - Tell us
Bloom Characteristics
Unknown - Tell us
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Very high moisture needs; suitable for bogs and water gardens
Where to Grow
Unknown - Tell us
Fruit Shape
Unknown - Tell us
Fruit Size
Unknown - Tell us
Fruit Colors
Unknown - Tell us
Growing Habit
Unknown - Tell us
Days to Maturity
Unknown - Tell us
Seed Type
Unknown - Tell us
Usage
Unknown - Tell us
Disease Resistance
Unknown - Tell us
Leaf Type
Unknown - Tell us
Plant Size (check one)
Unknown - Tell us
Growing Habit
Unknown - Tell us
Growth Rate
Unknown - Tell us
Leaf Shape
Unknown - Tell us
Leaf Appearance
Unknown - Tell us
Degree to which the appearance is present
Unknown - Tell us
Leaf Texture (top)
Unknown - Tell us
Leaf Texture (bottom)
Unknown - Tell us
Leaf Color
Unknown - Tell us
Color of Leaf Margin
Unknown - Tell us
Leaf Substance
Unknown - Tell us
Number of Vein Pairs
Unknown - Tell us
Appearance of Margin
Unknown - Tell us
Margin Width
Unknown - Tell us
Flower Shape
Unknown - Tell us
Flower Fragrance
Unknown - Tell us
Does it set seed?
Unknown - Tell us
Flower Size
Unknown - Tell us
Flower Type
Unknown - Tell us
Blooming Habit
Unknown - Tell us
Foliage Habit
Unknown - Tell us
Ploidy
Unknown - Tell us
Color Patterns
Unknown - Tell us
Awards (if applicable)
Unknown - Tell us
Category
Unknown - Tell us
Seed Type
Unknown - Tell us
Growth Habit
Unknown - Tell us
Days to Maturity
Unknown - Tell us
Bloom Shape
Unknown - Tell us
Habit
Unknown - Tell us
Other Details
Unknown - Tell us
Pruning Instructions
Unknown - Tell us
Kernel Color
Unknown - Tell us
Division
Unknown - Tell us
Division
Unknown - Tell us
Division
Unknown - Tell us
Flower Shape
Unknown - Tell us
Flower Habit
Unknown - Tell us
Bloom Size
Unknown - Tell us
Color Pattern
Unknown - Tell us
Group
Unknown - Tell us
Bloom Shape
Unknown - Tell us
Pruning Groups
Unknown - Tell us
Bloom Diameter
Unknown - Tell us
Heat (Pungency)
Unknown - Tell us
Fruit Shape
Unknown - Tell us
Fruit Size
Unknown - Tell us
Fruit Color
Unknown - Tell us
Disease Resistance
Unknown - Tell us
Seed Type
Unknown - Tell us
Usage
Unknown - Tell us
Section
Unknown - Tell us
Flower Size
Unknown - Tell us
Pruning
Unknown - Tell us
Size/Type
Unknown - Tell us
Flower Characteristics
Unknown - Tell us
Leaf Shape/Type
Unknown - Tell us
Leaf Texture
Unknown - Tell us
Leaf Color
Unknown - Tell us
Propagation
Unknown - Tell us
Pollination
Unknown - Tell us
Bearing Habit
Unknown - Tell us
Rootstock Vigor
Unknown - Tell us
Disease Resistance
Unknown - Tell us
Fruit Usage
Unknown - Tell us
Classification
Unknown - Tell us
Regional
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Plumbago or Zebra Blue
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(Halcyon smyrnensis)
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