Tall Bearded Iris (Iris 'Old Black Joe') in the Irises Database

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

Data specific to Irises (Edit)
Hybridizer: David Hall
Year Of Registration: 1939
Year Of Introduction (May Differ From Registry): 1939
Classification: Tall Bearded (TB)
Bloom Season: Mid Late

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: (Persia x Sachem) X sibling

Discussion Threads about this plant
Thread Title Last Reply Replies
2018 Seedlings by ARUBA1334 May 23, 2019 11:22 PM 698
New to Irises by joannakat Jun 2, 2018 11:30 AM 31
A Record Year by ARUBA1334 Apr 8, 2018 8:16 PM 818
I got a box!!! - 2017 by Dachsylady86 Apr 27, 2018 2:59 AM 1,414
Bloom Season 2017 by shizen Mar 29, 2018 1:09 PM 3,789
Bloom Season 2016 by coboro Jun 1, 2016 6:44 PM 1,942
Top dozen TBs to recommend to a perennial gardener: your nominations by gemini_sage Nov 19, 2017 10:29 AM 164
Final Sale for Snowpeak Iris before compost by lovemyhouse Mar 13, 2015 12:08 PM 15
2013 Spring Bloom Season From Iowa by ARUBA1334 Jan 12, 2014 10:21 AM 104
What new Blyth Irises did you add this year? by tveguy3 Oct 23, 2012 3:34 AM 70

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