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

Common names:
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Data specific to Irises (Edit)
Hybridizer: E. B. Williamson
Year Of Registration: 1928
Year Of Introduction (May Differ From Registry): 1928
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
Parentage: Arnols x mixed pollen
Child plants: 5 child plants

The Top 50 Most Popular Spring Blooming BulbsThe Top 50 Most Popular Spring Blooming Bulbs
March 28, 2015

We made it! Winter is over and it's springtime! Let's celebrate with a special week dedicated to these beautiful bulbs that brighten our gardens every spring, and we open that week with a look at the most popular of these plants.

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