Data specific to Irises (Edit)
Hybridizer: Carl Milliken
Year Of Registration: 1939
Year Of Introduction (May Differ From Registry): 1939
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: (Mauna Loa x Don Quixote) X (Rubeo x W. R. Dykes)
Child plants: one child plant

Common names
  • Tall Bearded Iris
  • Iris

  • Posted by Kahumingi (Masterton New Zealand) on May 11, 2022 4:01 PM concerning plant:
    From Milliken Gardens catalog, 1940: For the past two seasons, visitors have consistently selected this seedling as the finest yellow in our garden. It is deeper and brighter than either Lady Paramount or Happy Days and is also larger and taller. The outstanding characteristic that sets this iris apart from other yellows, however, is the fact that both standards and falls are beautifully frilled and wavy. This quality must be seen to be fully appreciated. King's Ransom is a midseason bloomer, an extremely vigorous grower, and should be perfectly hardy in the severe climates. Height 4 feet. $15 .00.

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