Tall Bearded Iris (Iris 'World Premier') 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: 1998
Year Of Introduction (May Differ From Registry): 1998
Seedling Number: FF 527-3
Classification: Tall Bearded (TB)
Registered Height: 37 inches (94 cm)
Bloom Season: Mid Late
Flower Form: Ruffled
Bloom Color Classification: Blue
Light blue
Flower Patterns: Neglecta
Bloom Color Description: Blue white standards; dark blue violet falls with white rim
Beard Color: Yellow, blue base
Style Arm Color: Blue white
Awards: Honorable Mention: 2000
Award of Merit: 2002
John C. Wister Medal: 2004

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: Yaquina Blue X 1985 #25, unknown
Child plants: 86 child plants

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Plant Events from our members
Catmint20906 On May 15, 2015 Bloomed
dragonfetti On May 2, 2015 Obtained plant
Hi-Desert Iris and Daylily Society plant sale. Potted, $5.00
SkirtGardener On July 6, 2020 Obtained plant
» Post your own event for this plant

Discussion Threads about this plant
Thread Title Last Reply Replies
Your top ten irises.... by evelyninthegarden Jun 15, 2020 12:28 AM 34
Season 2020 by shizen Oct 20, 2020 11:25 PM 1,554
2019 Bloom has started - Daisy's Garden by DaisyDo Jun 7, 2019 7:29 PM 80
Choose 10 by DaisyDo Jul 20, 2020 12:16 PM 85
Nothin' Could Be Finer Than to Be In Carolina - 2019 blooms by Lestv Jan 21, 2020 11:52 PM 789
California Dreaming.... by evelyninthegarden Sep 30, 2020 12:16 PM 1,670
Blooms 2019 by cliftoncat Mar 11, 2020 9:12 PM 2,568
poor form in standards becoming a trend? by DaisyDo Feb 25, 2019 11:54 AM 99
Tully Herror by DaisyDo Aug 3, 2018 1:59 PM 25
2018 ........i got a box!!!😁😍 by shizen Mar 15, 2019 3:12 PM 1,448
Carolina Show and Tell - 2018 by Lestv Mar 17, 2019 3:34 PM 1,719
Bonnie's Bloomers 2018 by grannysgarden Mar 22, 2019 11:45 AM 1,782
Photos of Dimson67's irises. by dimson67 Apr 2, 2018 6:42 PM 110
Signs of Spring ! by janwax May 5, 2018 5:27 PM 251
My least favorite iris by LynnDel May 31, 2019 3:45 AM 267
Nearly identical irises... by evelyninthegarden May 26, 2018 7:46 PM 92
On a deserted island by urania1 May 12, 2017 12:50 PM 27
Jan's Rustic Garden by janwax Oct 20, 2020 2:24 PM 3,037
Iris Guessing Game Round 6 by IrisLilli Mar 19, 2017 2:22 AM 61
Bonnie's Bloomers 2017 by grannysgarden May 15, 2017 8:13 PM 978

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