Data specific to Irises (Edit)
Hybridizer: Agnes Whiting
Year Of Registration: 1945
Year Of Introduction (May Differ From Registry): 1945
Classification: Tall Bearded (TB)
Bloom Color Classification: Blue
Flower Patterns: Self
Bloom Color Description: Medium blue
Awards: Honorable Mention: 1945
Award of Merit: 1947
Dykes Memorial Medal: 1950
Franklin Cook Memorial Cup: 1950

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: Annabel X Blue Zenith
Child plants: 80 child plants

Image
Common names
  • Iris
  • Tall Bearded Iris

Photo Gallery
Location: Santa Cruz Mountains, California
Date: 2020-05-04
Blue Rhythm (Whiting 1945)
Location: My garden in southeast Nebraska
Date: 2012-05-04
Uploaded by Mikey
Location: Newby Hall, Yorkshire UK
Date: 2024-06-19
Location: Sass Memorial Iris Garden near Ashland, NE
Date: 2015-05-21
Uploaded by coboro

Date: 2023-05-27
Uploaded by crowrita1
Location: Schreiner's Gardens near Salem, OR
Date: 2015-05-14
Location: Whitesboro, TX
Date: 2017-05-23
Image courtesy of The Shady Spot Iris. All rights reserved.
Location: Mottisfont Abbey Garden, UK
Date: 2014-06-05
Location: Sussex, UK
Date: late May 2020
A classic heritage blue
Uploaded by avmoran

Photo courtesy of Iris City Gardens

Date: c. 1951
photo from the 1951 catalog, Milliken Gardens, Arcadia, Californi
Location: Wisconsin
Date: Spring 2014
www.damongardens.com
Location: north bed
Date: 2018-05-28
oregon
Location: north bed
Date: 2019-06-02
late morning light
Location: north bed
Date: 2018-05-28
oregon

Date: 2015-03-12
Photo courtesy of Bluebird Haven Iris Garden
Location: north bed
Date: 2019-06-02
late morning light

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