Tall Bearded Iris (Iris 'Unicorn') in the Irises Database

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

Data specific to Irises (Edit)
Hybridizer: Lloyd Austin
Year Of Registration: 1952
Year Of Introduction (May Differ From Registry): 1954
Classification: Tall Bearded (TB)
Registered Height: 36 inches (91 cm)
Bloom Season: Early Mid
Bloom Color Classification: Violet
White
Flower Patterns: Plicata
Bloom Color Description: Bright mulberry standards; white falls, edge and centerline mulberry
Beard Color: Superimposed upon a horn projecting 3/4" from center of falls
Space Age Beard Appendages: Horns

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: dlg. JS-M-176B X 638
Child plants: 11 child plants

Photo courtesy of Bluebird Haven Iris Garden

Photo gallery:

Discussion Threads about this plant
Thread Title Last Reply Replies
Nothin' Could Be Finer Than to Be In Carolina - 2019 blooms by Lestv Jul 4, 2019 9:03 PM 733
What Historics are you growing/best growers? by UndyingLight Apr 23, 2019 10:59 PM 111
What white Irises do you have in your garden? by evelyninthegarden Mar 13, 2019 10:52 PM 54
2019 Orders Already! by LizinElizabeth Jun 25, 2019 7:21 AM 833
2018 iris wish list by creativeclover Oct 5, 2018 9:37 PM 20
2018 ........i got a box!!!😁😍 by shizen Mar 15, 2019 3:12 PM 1,448
Do iris growers have a place for bloom count? What cultivars have the most? by bluegrassmom Jun 16, 2018 9:05 PM 14
What's your latest (in your region) TB iris to bloom? by TBMan Sep 18, 2018 12:21 AM 110
Your Best Bloomers 2018 by urania1 Jun 10, 2018 9:03 PM 59
Blooms 2018 by cliftoncat Jan 2, 2019 4:17 PM 2,872
Historics at Superstition by Misawa77 Apr 25, 2018 11:29 PM 37
I got a box!!! - 2017 by Dachsylady86 Apr 27, 2018 2:59 AM 1,414
Iris Guessing Game 3 by UndertheSun Feb 17, 2017 10:43 PM 111
"Goners" 2017 by UndertheSun Jan 12, 2018 10:49 AM 932
Iris of the day by gemini_sage May 28, 2019 7:09 AM 1,480
2017 orders by Lestv Sep 18, 2017 10:45 AM 1,756
Bind weed by LynnG Sep 30, 2016 9:41 AM 9
Looking for the longest and fattest horns on an iris by TomThumb Aug 4, 2017 10:48 PM 32
Bloom Season 2016 by coboro Jun 1, 2016 6:44 PM 1,942
The Sutton bed by arilbred Feb 13, 2016 9:33 AM 1

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