Tall Bearded Iris (Iris 'Old Madrid') in the Irises Database

Common names:
Give a thumbs up Tall Bearded Iris
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Data specific to Irises (Edit)
Hybridizer: Shull
Year Of Registration: 1932
Year Of Introduction (May Differ From Registry): 1932
Classification: Tall Bearded (TB)
Bloom Season: Mid

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: ( I. trojana x Isoline) X Julia Marlowe

Discussion Threads about this plant
Thread Title Last Reply Replies
Blooms 2019 by cliftoncat Nov 20, 2019 4:58 AM 2,505
2018 Orders by Dachsylady86 Oct 15, 2019 7:30 PM 1,402
Superstition Iris Garden's 2016 Introductions by Misawa77 Dec 6, 2016 10:10 AM 276
Which were your first iris? A trip down memory lane...... by Paul2032 Jan 20, 2016 6:15 AM 85
Mindless chatter by Muddymitts Nov 19, 2019 10:30 AM 17,978
Some pretty no id Irises to brighten winter days... by gemini_sage Sep 14, 2015 11:49 AM 410
What Blyth Irises do you have? Which ones do you still want? by tveguy3 Jan 12, 2015 6:00 PM 384
r.i.p. by Muddymitts Mar 30, 2014 8:20 PM 39
Favorite yellows by tveguy3 Jan 12, 2014 9:25 AM 84
Your Favorite Blyth Irises? by Betja Sep 1, 2012 8:35 PM 91
wanda rezac's iris list by irisawe Sep 1, 2011 2:43 PM 9

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