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

Common names:
Give a thumbs up Tall Bearded Iris
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Data specific to Irises (Edit)
Hybridizer: Michael Foster
Year Of Registration: introduced prior to registration system
Year Of Introduction (May Differ From Registry): 1909
Classification: Tall Bearded (TB)
Bloom Season: Early

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: I. pallida x I. cengialti
Child plants: 2 child plants

Vole WarsVole Wars
May 13, 2014

Growing plants entails a constant battle with the elements, insects, viruses, and bacteria. Even when we learn to live with these, other mammals slip in and upset our best efforts. Deer, groundhogs, and raccoons are major problems, but there are other small mammals that are both elusive and very destructive.

(Full article14 comments)
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Discussion Threads about this plant
Thread Title Last Reply Replies
More Russian Irises-Facebook by Ivan_N_Tx Apr 12, 2019 6:15 PM 64
Monty's Blue Ridge Gardens by UndyingLight Nov 11, 2019 6:18 PM 707
Active Iris Borers - Help Please! by greenappleagnes Nov 5, 2018 8:28 AM 62
Ack! My iris has fungal crown rot - what do I do? by AndreaD Aug 10, 2018 6:23 PM 23
Ground cover cloth under rows of irises? by caitlinsgarden Jun 12, 2018 9:53 AM 2
Bonnie's Bloomers 2018 by grannysgarden Mar 22, 2019 11:45 AM 1,782
My Enchanted Garden by Dachsylady86 Jan 30, 2018 5:14 PM 959
Landscape pics by bluegrassmom Sep 3, 2016 1:01 AM 53
Iris Etiquette by crowrita1 May 19, 2017 12:51 PM 104
Severe Weather Forecast Sites by yadah_tyger Apr 29, 2016 2:01 AM 50
Show us your NOID's by yadah_tyger Nov 8, 2018 6:58 AM 1,288
SUPER FREAK - Chimeras and other oddities by enidcandles Dec 21, 2017 1:16 PM 227
Bonnie's Bloomers ~ 2016 by grannysgarden Oct 9, 2016 1:00 AM 731
"Goners" 2016 by crowrita1 Nov 28, 2016 4:19 PM 1,310
Bloom Season 2016 by coboro Jun 1, 2016 6:44 PM 1,942
Let's See Some Historics by Henhouse Aug 19, 2018 12:05 AM 1,911
Goners ! by crowrita1 Jun 17, 2015 3:14 PM 462
What did you do in the Iris garden today? by Paul2032 Nov 11, 2019 6:03 PM 17,354
The ones that were wrong. by needrain Feb 3, 2015 11:32 PM 30
Mindless chatter by Muddymitts Nov 4, 2019 12:59 AM 17,954

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