PlantsIrises→Tall Bearded Iris (Iris 'Riverboat Blues')

Common names:
Give a thumbs up Iris
Give a thumbs up Tall Bearded Iris

Data specific to Irises (Edit)
Hybridizer: Schreiner
Year Of Registration: 1991
Year Of Introduction (May Differ From Registry): 1991
Seedling Number: W 472-C
Classification: Tall Bearded (TB)
Registered Height: 38 inches (97 cm)
Bloom Season: Mid Late
Flower Form: Ruffled
Bloom Color Classification: Blue
Flower Patterns: Self
Bloom Color Description: Medium blue
Beard Color: White
Awards: Honorable Mention: 1993
Award of Merit: 1995

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: Memphis Blues X P 81-A: ((G 11-1: (T 652-A: (Blue Mountains x Sylvan Stream) x A 137-1) x (G 1517-B x Neptune's Pool)) x L 93-5: ((Navy Strut x E 1313-A) x (Fuji's Mantle x Matinata)))
Child plants: 26 child plants

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Discussion Threads about this plant
Thread Title Last Reply Replies
What is the True Color of Riverboat Blues Tall Bearded Iris? by SpringGreenThumb Jan 29, 2017 7:50 AM 0
Utah Iris Society Show....... by Paul2032 Jun 14, 2017 4:48 PM 11
Mindless chatter by Muddymitts Jun 12, 2021 6:44 PM 19,538
Blooming in my Utah Garden by Paul2032 May 20, 2012 6:55 AM 12
wanda rezac's iris list by irisawe May 18, 2020 6:07 PM 17

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