Intermediate Bearded Iris (Iris 'Cosette') in the Irises Database

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

Data specific to Irises (Edit)
Hybridizer: Hans Peter Sass
Year Of Registration: 1936
Year Of Introduction (May Differ From Registry): 1936
Classification: Intermediate Bearded (IB)
Bloom Season: Mid
Bloom Color Classification: White
Flower Patterns: Self
Awards: Honorable Mention: 1936

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
Parentage: I. pumila x I. germanica

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Discussion Threads about this plant
Thread Title Last Reply Replies
TBs that make a clump quickly! by bluegrassmom Jun 17, 2019 3:11 PM 48
Your Best Orange by PutteringinIdaho May 28, 2016 2:15 AM 22
Let's See Some Historics by Henhouse Aug 19, 2018 12:05 AM 1,911

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