PlantsIrises→Tall Bearded Iris (Iris 'Cours-la-Reine')

Common names:
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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

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Photo gallery:
Location: Santa Cruz Mountains, CaliforniaDate: 2020-05-20
By Henhouse
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Discussion Threads about this plant
Thread Title Last Reply Replies
I got a 2021 box by KyDeltaD Aug 26, 2021 7:42 PM 230
What's the allure over Dusky Challenger? by lilpod13 Jul 9, 2020 8:36 PM 51
I got a box! 2019 by evelyninthegarden Dec 12, 2019 12:19 AM 525
Bloomin time in Cheese head country! by tveguy3 Mar 1, 2020 9:50 PM 544
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 Sep 21, 2021 4:32 PM 3,139
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
Jan's Rustic Garden by janwax Nov 22, 2021 1:41 PM 4,181
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 Oct 10, 2021 9:48 PM 824
What iris made you love them by froggardener Mar 25, 2016 7:44 AM 86

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