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

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

Data specific to Irises (Edit)
Hybridizer: Charles Gersdorff
Year Of Registration: 1948
Year Of Introduction (May Differ From Registry): 1948
Classification: Tall Bearded (TB)
Bloom Season: Early 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
Parentage: Albert Gersdorff x Bertha Dorothea

Discussion Threads about this plant
Thread Title Last Reply Replies
Magical Michigan 2018-Lindsay's Garden by Lbsmitty Jul 18, 2018 1:34 PM 340
Favorite garden tools by UndertheSun Oct 11, 2017 2:16 AM 60
"Goners" 2016 by crowrita1 Nov 28, 2016 4:19 PM 1,310
Cutting back Iris foliage - your experience? by HoosierHarvester Dec 29, 2015 10:49 AM 124
Mindless chatter by Muddymitts Nov 19, 2019 10:30 AM 17,978
Japanese iris by vanozzi Oct 23, 2018 1:08 PM 469
Stupid things I did while learning to grow irises by tveguy3 Oct 30, 2014 11:33 PM 265

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