Intermediate Bearded Iris (Iris 'Mary Orth') in the Irises Database

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

Data specific to Irises (Edit)
Hybridizer: Bertrand Farr
Year Of Registration: 1920
Year Of Introduction (May Differ From Registry): 1920
Classification: Intermediate Bearded (IB)
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 8b
Flowers: Showy
Underground structures: Rhizome
Propagation: Seeds: Will not come true from seed
Propagation: Other methods: Division

Discussion Threads about this plant
Thread Title Last Reply Replies
2019 Bloom has started - Daisy's Garden by DaisyDo Jun 7, 2019 7:29 PM 80
My dilemma by lilpod13 May 31, 2019 10:30 PM 15
Bonnie's Bloomers a.k.a. Fellowship of the Garden by grannysgarden Oct 14, 2019 10:04 PM 1,392
What Historics are you growing/best growers? by UndyingLight Aug 29, 2019 8:38 PM 121
The Best for Less by Polymerous Jan 2, 2019 3:45 PM 14
Superstition Iris Sale by evelyninthegarden Sep 20, 2018 8:23 PM 3
Is there a modern iris like Dusky Challenger? by LynNY Jun 17, 2019 8:25 AM 53
Yellow TB Iris by urania1 Mar 27, 2019 2:36 PM 25
Happy Easter Iris by Monetwwqi Apr 1, 2018 7:02 PM 3
Bonnie's Bloomers 2018 by grannysgarden Mar 22, 2019 11:45 AM 1,782
Blooms 2018 by cliftoncat Jan 2, 2019 4:17 PM 2,872
"Goners" 2018 by William Oct 19, 2018 6:44 PM 590
Irises 2017: Wet, Cold & Muddy by TBGDN Jul 18, 2017 10:43 AM 124
I got a box!!! - 2017 by Dachsylady86 Apr 27, 2018 2:59 AM 1,414
Dutch Iris - a suggestion to improve bloom and hardiness by William Nov 5, 2019 3:44 AM 18
Bloom Season 2017 by shizen Mar 29, 2018 1:09 PM 3,789
2017 orders by Lestv Sep 18, 2017 10:45 AM 1,756
First Bearded Iris by Maryl Oct 8, 2016 1:48 AM 54
I got a box!!! - 2016 version by Lestv Dec 19, 2016 3:15 PM 1,664
Bloom Season 2016 - Part 2 by Lestv Jan 21, 2019 9:53 PM 1,323

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