Data specific to Irises (Edit)
Hybridizer: Keith Keppel
Year Of Registration: 2003
Year Of Introduction (May Differ From Registry): 2004
Seedling Number: 98-156B
Classification: Tall Bearded (TB)
Registered Height: 42 inches (107 cm)
Bloom Season: Mid Late
Flower Form: Bubble Ruffled
Bloom Color Classification: Peach
Violet
Yellow
Bloom Color Description: Blended vanilla standards; peach yellow falls, texture veined tan yellow sunburst pattern, greyed heliotrope wash extending inward from edge
Beard Color: Firecracker red
Style Arm Color: Slightly more yellow
Fragrance: Slight
Sweet
Awards: Honorable Mention: 2006
Award of Merit: 2008

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
Fragrant
Underground structures: Rhizome
Propagation: Seeds: Will not come true from seed
Propagation: Other methods: Division
Ploidy: Tetraploid
Parentage: Prince George X Rio
Child plants: 39 child plants

Image
Common names
  • Iris
  • Tall Bearded Iris

Photo Gallery
Location: My garden in Bakersfield, CA
Date: 2022-04-27
Location: Russia, Krasnodar region, Novokubansk
Date: 2020-05-18
Location: Russia, Krasnodarskij Kraj
Date: 2018-05-19
Location: Russia, Krasnodarskij Kraj
Location: San Rafael, CA
Date: 2016-04-26
Location: Russia, Krasnodar region, Novokubansk
Date: 2020-05-18
Location: My garden in Bakersfield, CA
Date: 2023-05-03
Location: Menton, France
Date: 2019-06-06

Just as I was considering culling this from the garden, it has to
Location: My garden
Date: 2016-05-04
Location: Glencoe, IL
Date: Early June

At Schreiner's Iris Gardens, Oregon.
Location: South Carolina
Location: Russia, Krasnodarskij Kraj
Date: 2018-05-18
Location: Indiana
Date: May 2013
Tall bearded iris 'Undercurrent'
Location: Glencoe, IL
Date: Early June
Location: San Rafael, CA
Date: 2017-05-14
Location: San Rafael, CA
Date: 2017-05-05
Location: Cisco, Tx 
Date: 2019-05-08

Undercurrent
Location: My garden in Bakersfield, CA
Date: 2014-04-23
Location: My garden
Date: 2016-04-30
Location: San Rafael, CA
Date: 2019-05-17
Survived the heavy rain
Location: Schreiners Gardens
Date: 2012-06-04

At Schreiner's Iris Gardens

At Schreiner's Iris Gardens, Oregon.
Photo by Betja
Location: My garden in Bakersfield, CA
Date: 2014-04-23
Location: In my garden at Middletown, DE
Date: 2016-05-28
Location: Michigan-my garden
Date: June 5, 2017
Location: My garden in Bakersfield, CA
Date: 2014-04-24
Location: My garden in Bakersfield, CA
Date: 2021-05-01
Location: My garden in Bakersfield, CA
Date: 2021-05-01
Location: My garden in Bakersfield, CA
Date: 2010-04-24
Location: My garden in Bakersfield, CA
Date: 2013-05-01

Date: 2014-05-21
Photo by Betja

Undercurrent
Location: San Rafael, CA
Date: 2017-05-08
Location: My garden in Bakersfield, CA
Date: 2014-04-23
Location: Schreiners Gardens
Date: 2012-06-01
Location: San Rafael, CA
Date: 2017-05-08
Location: Michigan-my garden
Date: Spring 2021
Location: Warfordsburg, PA
Date: 2013-09-17
Location: San Rafael, CA
Date: 2018-05-13
Location: My garden in Bakersfield, CA
Date: 2011-05-02
Location: My garden in Bakersfield, CA
Date: 2013-05-01
Location: My garden in Bakersfield, CA
Date: 2013-05-01

At Schreiner's Iris Gardens, Oregon.

At Schreiner's Iris Gardens, Oregon.
Location: My garden in Bakersfield, CA
Date: 2012-05-02
Location: Indiana
Date: May 2013
Undercurrent tall bearded iris

Photo courtesy of Comanche Acres Iris Garden
  • Uploaded by Joy

At Schreiner's Iris Gardens
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Calif_Sue On April 28, 2016 Bloomed
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Discussion Threads about this plant
Thread Title Last Reply Replies
This is certainly not one of Grandma's flags... by Paul2032 Jun 14, 2013 2:25 PM 4

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