Japanese Water Iris, Japanese Flag, Russian Iris 'Beni Koshi'

Irisensata

Family
Iridaceae (eye-rid-AY-see-ee)
Genus
Iris (EYE-ris)
Species
ensata (en-SA-tuh)
Synonym
Iris kaempferi
Spacing
24-36 in. (60-90 cm)
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
Green
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
This plant is resistant to deer
Smooth
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

Featured Videos

Gardener's Notes:

1
positive
1
neutral
0
negative
Sort By:
Sort By:
J
J
Belfield, ND (Zone 4a) | February 2007 | neutral

Beni Koshi was introduced in Japan in 1973 by Zensaku Makino, but not registered until 1995 by Society for Japanese Irises.

K
Ipswich, MA (Zone 5b) | January 2005 | positive

Not sure if this is registered. 6 fall. Wide form with falls held upright. Falls are white with deep rose brushing at centers of falls ...Read More

Featured
Painted Lady
(Vanessa cardui)
Red-billed Firefinch
(Lagonosticta senegala)
Featured
Painted Lady
(Vanessa cardui)
Red-billed Firefinch
(Lagonosticta senegala)