Tall Bearded Iris (Iris 'Twilight Hour') in the Irises Database

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

Data specific to Irises (Edit)
Hybridizer: Eva Smith
Year Of Registration: 1964
Year Of Introduction (May Differ From Registry): 1965
Seedling Number: 61-493
Classification: Tall Bearded (TB)
Registered Height: 36 inches (91 cm)
Bloom Season: Mid
Bloom Color Description: Golden tan standards, orchid wash; orchid falls, golden tan edge and hafts

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: Nuevo Laredo X Lavendula

Discussion Threads about this plant
Thread Title Last Reply Replies
Mid-America Surplus Sale by cbunny41 Sep 23, 2019 10:47 AM 105
what irises do you want? by creativeclover Jul 27, 2015 10:24 AM 107
Show our Schreiners! Haves and wants. by tveguy3 Aug 19, 2017 12:54 PM 160
What's on your wish list so far? by tveguy3 Jan 6, 2015 3:29 PM 434
My first little ones by tveguy3 May 23, 2013 2:03 PM 124
wanda rezac's iris list by irisawe May 18, 2020 6:07 PM 17

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