PlantsIrises→Tall Bearded Iris (Iris 'St. Louis 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: 1979
Year Of Introduction (May Differ From Registry): 1979
Seedling Number: G 11-A
Classification: Tall Bearded (TB)
Registered Height: 35 inches (89 cm)
Bloom Season: Late
Flower Form: Ruffled
Bloom Color Classification: Blue
Bloom Color Description: Medium blue, white area beside beards
Beard Color: Near white
Foliage: Purple Based
Awards: Honorable Mention: 1981
Award of Merit: 1983

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: T 652-A: (Blue Mountains x Sylvan Stream) X A 137-1
Child plants: 10 child plants

St. Louis Blues with New Moon in foreground

Photo gallery:

Comments:
Posted by Irislady (B.C. - Zone 5a) on Nov 9, 2013 12:51 PM

Beautiful blue iris but slow to increase

[ Reply to this comment | Give a thumbs up ]

Discussion Threads about this plant
Thread Title Last Reply Replies
It started in Illinois! by crowrita1 Jul 18, 2018 4:05 AM 215
"Goners" 2016 by crowrita1 Nov 28, 2016 4:19 PM 1,310
Ok..I am gonna give it a try by MISSINGROSIE Jun 18, 2016 11:02 AM 107
Bloom Season 2015/2016 by ARUBA1334 May 17, 2017 9:56 PM 1,131
Show us your Colors - Part 17 by Muddymitts Mar 6, 2015 6:54 PM 127
Show us your Colors................... by Muddymitts Dec 15, 2020 8:15 PM 1,828
Some pretty no id Irises to brighten winter days... by gemini_sage Sep 14, 2015 11:49 AM 410
Some of your favorite Purple or Violet irises by tveguy3 May 3, 2014 4:51 PM 365
wanda rezac's list part 2 s-z by irisawe Oct 23, 2017 7:04 AM 20
wanda rezac's iris list by irisawe May 18, 2020 6:07 PM 17

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