Japanese Water Iris, Japanese Flag, Russian Iris
Irisensata 'Ebb and Flow'

Family: Iridaceae (eye-rid-AY-see-ee)
Genus: Iris (EYE-ris)
Species: ensata (en-SA-tuh)
Cultivar: Ebb and Flow
Hybridized by Hirao 1988

Height

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

Bloom Color

Bright Yellow
Dark Blue
Lavender
White/Near White

Foliage

Herbaceous
This plant is resistant to deer

Other details

Unknown

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

Class

Japanese (JI)

Bloom Time

Late Midseason (MLa)

Awards (if applicable)

Honorable Mention

Foliage Color

Blue-Green

Bloom Characteristics

Unknown

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