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

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

Data specific to Irises (Edit)
Hybridizer: Jacob Sass
Year Of Registration: 1927
Year Of Introduction (May Differ From Registry): 1927
Classification: Intermediate Bearded (IB)
Bloom Season: Mid
Foliage: Purple Based

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
Child plants: 2 child plants

The October Not-A-Raffle-Raffle!The October Not-A-Raffle-Raffle!
October 17, 2018

Here it is, the final raffle of the year!

(Full article139 comments)
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Discussion Threads about this plant
Thread Title Last Reply Replies
Ok..I am gonna give it a try by MISSINGROSIE Jun 18, 2016 11:02 AM 107
What are your favorite color/colors in iris? by cbunny41 Jan 25, 2016 4:42 PM 152
What did you do in the Iris garden today? by Paul2032 Nov 14, 2019 8:01 PM 17,370
Potting iris over winter by tveguy3 Jun 21, 2016 2:55 PM 114

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