Tall Bearded Iris (Iris 'Cours-la-Reine') in the Irises Database

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

Data specific to Irises (Edit)
Hybridizer: Ferdinand Cayeux
Year Of Registration: 1938
Year Of Introduction (May Differ From Registry): 1938
Classification: Tall Bearded (TB)
Bloom Season: Very Late
Bloom Color Classification: Lavender
Yellow

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

Discussion Threads about this plant
Thread Title Last Reply Replies
I got a box! 2019 by evelyninthegarden Oct 6, 2019 5:38 PM 516
Bloomin time in Cheese head country! by tveguy3 Sep 7, 2019 3:36 PM 543
More Russian Irises-Facebook by Ivan_N_Tx Apr 12, 2019 6:15 PM 64
Bonnie's Bloomers a.k.a. Fellowship of the Garden by grannysgarden Oct 14, 2019 10:04 PM 1,392
2018 Seedlings by ARUBA1334 May 23, 2019 11:22 PM 698
Yellow TB Iris by urania1 Mar 27, 2019 2:36 PM 25
Bonnie's Bloomers 2018 by grannysgarden Mar 22, 2019 11:45 AM 1,782
Landscaping with Iris by urania1 May 16, 2017 11:22 AM 13
My Season by ARUBA1334 Sep 4, 2017 10:37 PM 474
2017 orders by Lestv Sep 18, 2017 10:45 AM 1,756
HIPS iris sale by DaveinPA Aug 12, 2016 9:32 AM 173
Roll call 2016 by Cuzz4short Jun 28, 2019 2:47 PM 553
I got a box!!! - 2016 version by Lestv Dec 19, 2016 3:15 PM 1,664
Which ones will you be culling this year? (old 2016 thread) by Henhouse May 31, 2019 1:50 PM 198
Which order are you most looking forward to receiving? by Dachsylady86 Apr 19, 2016 9:11 PM 58
OK guys it's Fess Up time! by tveguy3 Dec 22, 2017 2:10 PM 801
What iris made you love them by froggardener Mar 25, 2016 7:44 AM 86
Ok..I am gonna give it a try by MISSINGROSIE Jun 18, 2016 11:02 AM 107
2016 Orders by Henhouse Oct 20, 2016 4:50 AM 2,169
2016 Stout's by UndertheSun Sep 17, 2017 9:10 AM 164

« 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 Marilyn and is called "Daylily"

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