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

Common names:
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Data specific to Irises (Edit)
Hybridizer: Valeria Bonnell
Year Of Registration: 1938
Year Of Introduction (May Differ From Registry): 1938
Classification: Tall Bearded (TB)
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 9b
Flowers: Showy
Underground structures: Rhizome
Propagation: Seeds: Will not come true from seed
Propagation: Other methods: Division

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Discussion Threads about this plant
Thread Title Last Reply Replies
Planting Bearded iris rhizomes in July by SwampGardener Jul 18, 2017 11:48 AM 8
Story Time by Polymerous Jan 17, 2017 7:35 AM 52
Bloom Season 2016 - Part 2 by Lestv Jan 21, 2019 9:53 PM 1,323
What other plants do you grow besides Irises? by creativeclover Jun 4, 2018 3:20 PM 97
Bloom Season 2016 by coboro Jun 1, 2016 6:44 PM 1,942
what irises do you want? by creativeclover Jul 27, 2015 10:24 AM 107
What did you do in the Iris garden today? by Paul2032 Nov 12, 2019 1:39 PM 17,358
Show us your Colors - Part 2 by Muddymitts Feb 22, 2015 10:34 AM 819
Seeking Bernice Miller Iris Introductions by Gerie Sep 8, 2017 10:00 PM 153

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