Tall Bearded Iris (Iris 'St. Louis Blues') in the Irises Database

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
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 Feb 14, 2015 8:21 AM 1,821
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 Sep 1, 2011 2:43 PM 9

« Add a new plant to the database

» Search the Irises Database: by characteristics or by cultivar name

« See the general plant entry for Irises (Iris)

« Visit the Irises forum

« The Irises Database Front Page

« The Plants Database Front Page

Today's site banner is by Paul2032 and is called "SDB Kaching"

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.