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

Common names:
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Data specific to Irises (Edit)
Hybridizer: Danenhauer
Year Of Registration: 1934
Year Of Introduction (May Differ From Registry): 1934
Classification: Tall Bearded (TB)
Bloom Season: Mid Late

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: Souv. de Mme. Gaudichau X Lent A. Williamson

All About PumpkinsAll About Pumpkins
October 7, 2011

From the legend of the Jack O'Lantern and "chucking", to growing, health benefits and pumpkin trivia, let's find out more about this amazing fruit.

(Full article28 comments)
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Discussion Threads about this plant
Thread Title Last Reply Replies
California Dreaming.... by evelyninthegarden Nov 18, 2019 2:19 PM 1,043
Monty's Blue Ridge Gardens by UndyingLight Nov 17, 2019 6:55 PM 709
Want to purchase some Bearded Iris Rhizome by JB Apr 27, 2018 10:18 PM 14
Bonnie's Bloomers 2018 by grannysgarden Mar 22, 2019 11:45 AM 1,782
I'm REALLY looking forward to this one!... by janwax Nov 21, 2018 10:00 PM 1,064
Iris Time in PA by Snork Jun 17, 2017 7:46 AM 201
I got a box!!! - 2017 by Dachsylady86 Apr 27, 2018 2:59 AM 1,414
Who is going to the AIS Region 3 Rhizome sale on July 16 at Jenkins Arboretum? by Misawa77 Jul 6, 2016 7:23 PM 28
Local groups' shows and sales by djinnevada Mar 29, 2016 8:38 AM 34
Re-Blooming help by Misawa77 Nov 21, 2015 1:29 PM 8
Iris club question. And club sells/auctions by creativeclover Jul 28, 2015 9:24 PM 34
Most Anticipated by janwax Sep 11, 2015 9:29 PM 176
What Tasco irises do you have? What did you plant this year, Wish list? by tveguy3 Dec 23, 2014 7:58 PM 78
What Ghio irises do you have, Add this year, or have on your wish list? by tveguy3 Dec 23, 2014 9:31 AM 342
Starting iris seeds. by tveguy3 Jun 22, 2019 9:59 AM 507
Rhizomes arrived - very pleased by janwax Apr 9, 2017 7:45 AM 624
Hanover Bloom 2014 - Better late than never! by Misawa77 Dec 14, 2014 7:45 PM 1,112
Let's get this show on the road! by tveguy3 May 25, 2014 2:08 PM 1,561
I need some help contacting a "Dave's Garden" member by Misawa77 Mar 22, 2012 2:46 PM 11

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