Data specific to Irises (Edit)
Hybridizer: Paul Cook
Year Of Registration: 1956
Year Of Introduction (May Differ From Registry): 1958
Seedling Number: 12555
Classification: Tall Bearded (TB)
Registered Height: 36 inches (91 cm)
Bloom Season: Mid
Bloom Color Classification: Violet
Flower Patterns: Amoena
Bloom Color Description: Clean white standards; light violet falls
Awards: Honorable Mention: 1958
Award of Merit: 1960
Dykes Memorial Medal: 1962

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
Ploidy: Tetraploid
Parentage: Cahokia X 11253: (Blue Rhythm x ((blue sdlg x Progenitor) x (Distance x blue sdlg.)))
Child plants: 344 child plants

Common names
  • Tall Bearded Iris
  • Iris

Photo Gallery
Location: Garden that used to be my lawn
Date: 2019-05-12
Location: Sass Memorial Iris Garden near Ashland, NE
Date: 2015-05-21
Location: Santa Cruz Mountains, California
Date: 2014-04-23
Location: Sass Memorial Garden near Ashland, NE
Date: 2010-05-13
Photo by MargieNY
Photo by iciris
Photo by MargieNY
Location: Sass Memorial Garden near Ashland, Nebraska
Date: 2012-05-04

Image courtesy of Iris City Gardens
Location: Catheys Valley CA
Photo courtesy of Superstition Iris Gardens, posted with permissi
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