Data specific to Irises (Edit)
Hybridizer: Shuichi Hirao by Society for Japanese Irises
Year Of Registration: 1993
Year Of Introduction (May Differ From Registry): 1958
Classification: Japanese (Ensata)
Registered Height: 38 inches (97 cm)
Bloom Season: Late
Very Late
Bloom Color Description: Deep red violet, white veins, yellow signal
Style Arm Color: Dark red violet, white center

General Plant Information (Edit)
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Wet Mesic
Mesic
Soil pH Preferences: Moderately acid (5.6 – 6.0)
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Maximum recommended zone: Zone 9b
Flowers: Showy
Underground structures: Rhizome
Wildlife Attractant: Bees
Propagation: Seeds: Self fertile
Will not come true from seed
Propagation: Other methods: Division
Pollinators: Various insects
Ploidy: Diploid
Parentage: Parentage unknown

Common names
  • Japanese Iris
  • Iris

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