Tall Bearded Iris (Iris 'Lord Jeff') in the Irises Database

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

Data specific to Irises (Edit)
Hybridizer: K. Waite
Year Of Registration: 1978
Year Of Introduction (May Differ From Registry): 1981
Seedling Number: 71-16-X
Classification: Tall Bearded (TB)
Registered Height: 37 inches (94 cm)
Bloom Season: Mid
Mid Late
Late
Bloom Color Classification: Violet
Flower Patterns: Self
Bloom Color Description: Dark violet
Beard Color: Dark violet, tipped yellow brown
Awards: Honorable Mention: 1983
Award of Merit: 1988

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: Grand Alliance X Sterling Silver
Child plants: 6 child plants

Bloom was backlit, after 5 pm

Photo gallery:

Discussion Threads about this plant
Thread Title Last Reply Replies
poor form in standards becoming a trend? by DaisyDo Feb 25, 2019 11:54 AM 99
When making new iris beds, how do you arrange them? by evelyninthegarden Jun 22, 2018 4:48 PM 21
The Naming of Irises by janwax Nov 26, 2017 3:54 PM 38
Story Time by Polymerous Jan 17, 2017 7:35 AM 52
I got a box!!! - 2016 version by Lestv Dec 19, 2016 3:15 PM 1,664
Irises WANTED by ATP members by Polymerous Oct 14, 2017 9:10 PM 94
2016 Orders by Henhouse Oct 20, 2016 4:50 AM 2,169
Irises you got for the name and why. by tveguy3 Feb 20, 2016 6:09 PM 215
What did you do in the Iris garden today? by Paul2032 May 20, 2019 10:18 AM 16,612
Hallelujah Brother! by tveguy3 Aug 10, 2014 9:09 PM 933

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