Data specific to Irises (Edit)
Hybridizer: Williamson
Year Of Registration: 1926
Year Of Introduction (May Differ From Registry): 1926
Classification: Tall Bearded (TB)
Bloom Season: Mid
Bloom Color Classification: Violet
Flower Patterns: Bitone

General Plant Information (Edit)
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Maximum recommended zone: Zone 9b
Flowers: Showy
Underground structures: Rhizome
Propagation: Seeds: Will not come true from seed
Propagation: Other methods: Division
Parentage: Sherwin-Wright X unknown
Child plants: 24 child plants

Common names
  • Tall Bearded Iris
  • Iris

Comments:
  • Posted by DaveinPA (South central PA - Zone 6a) on Aug 11, 2017 11:08 AM concerning plant:
    Three suppliers all gave Mme. Henri Cayeux instead of the correct one. Seems to be among the lost varieties.

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