Tall Bearded Iris (Iris 'Cup of Gold') in the Irises Database

Common names:
Give a thumbs up Tall Bearded Iris
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Data specific to Irises (Edit)
Hybridizer: Mary Tharp
Year Of Registration: 1942
Year Of Introduction (May Differ From Registry): 1942
Classification: Tall Bearded (TB)
Bloom Season: Early Mid
Bloom Color Classification: Yellow
Flower Patterns: Bitone

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: ((Rajput x Alcazar) x Amerind) X Alta California

Discussion Threads about this plant
Thread Title Last Reply Replies
Mid-America Surplus Sale by cbunny41 Sep 23, 2019 10:47 AM 105
I got a box! 2019 by evelyninthegarden Oct 6, 2019 5:38 PM 516
Choose 10 by DaisyDo Sep 10, 2019 10:42 AM 81
What are your top ten irises from 2018? by evelyninthegarden May 5, 2019 8:28 PM 246
Best Vendor for Ghio's & 'Broken Colors' by ShawnSteve Jan 4, 2019 3:55 PM 27
Your 2019 order wish list by creativeclover Sep 3, 2018 9:41 AM 60
Bonnie's Bloomers 2018 by grannysgarden Mar 22, 2019 11:45 AM 1,782
Identification Help by LakeCatherine May 22, 2018 11:23 PM 11
"Goners" 2016 by crowrita1 Nov 28, 2016 4:19 PM 1,310
Superstition Iris Gardens 2016 Introductions by Misawa77 Dec 16, 2015 3:20 PM 99
Iris Talk - What's Your Preference ? by Denman55 Apr 5, 2018 12:18 AM 191
What did you do in the Iris garden today? by Paul2032 Nov 11, 2019 6:03 PM 17,354
Final Sale for Snowpeak Iris before compost by lovemyhouse Mar 13, 2015 12:08 PM 15
Show me some signs of SPRING! by tveguy3 May 3, 2015 7:41 AM 999
Mindless chatter by Muddymitts Nov 4, 2019 12:59 AM 17,954
Checking Older Cultivars For Trade/Purchase by Moiris Jan 14, 2015 9:02 AM 71
First Buys of 2015 by Lestv Mar 4, 2015 1:36 PM 587
Those Interesting edges! by tveguy3 Jan 21, 2014 1:36 AM 52
Purple base foliage in pictures by Misawa77 Nov 17, 2017 9:52 PM 57
Let's get this show on the road! by tveguy3 May 25, 2014 2:08 PM 1,561

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