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

Common names:
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Data specific to Irises (Edit)
Hybridizer: Barr & Sons
Year Of Registration: 1935
Year Of Introduction (May Differ From Registry): 1935
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

Stop and Smell the IrisStop and Smell the Iris
May 15, 2015

My ongoing love affair with the iris began when I worked for a small bank in what was once a small town. There was a separate building called the annex, where I would go to fix the staff's computers. One spring my stroll was rewarded with something magical.

(Full article18 comments)
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Discussion Threads about this plant
Thread Title Last Reply Replies
I need help, lots of questions by butterandjam Sep 5, 2019 11:39 PM 15
Irises not blooming by ssilvern Aug 2, 2019 3:18 PM 7
Do you have some favorite iris photos to share? by janwax Jun 27, 2019 3:45 PM 21
Hillside Happenings '19 by Snork Jun 29, 2019 2:47 PM 159
Bloomin time in Cheese head country! by tveguy3 Sep 7, 2019 3:36 PM 543
How about the little ones? by janwax May 22, 2019 6:51 PM 315
Spuria irises evergreen? by Tienito Dec 22, 2018 9:45 PM 11
Can anyone identify the name of this ole fashioned heritage iris. by bumplbea Nov 26, 2018 4:36 PM 10
Iris Identification by MomsIris Dec 20, 2018 2:20 PM 21
Active Iris Borers - Help Please! by greenappleagnes Nov 5, 2018 8:28 AM 62
Starting Iris seeds.... by evelyninthegarden Nov 16, 2019 2:57 AM 454
Mailing Restrictions Within CONUS for Irises? by LizinElizabeth Jul 23, 2018 12:07 AM 17
First Seen in My Colorado Garden by LizinElizabeth Aug 11, 2018 11:07 AM 41
2018 ........i got a box!!!😁😍 by shizen Mar 15, 2019 3:12 PM 1,448
Hillside Happenings by Snork Jun 11, 2018 7:12 AM 38
Bonnie's Bloomers 2018 by grannysgarden Mar 22, 2019 11:45 AM 1,782
2018 Orders by Dachsylady86 Oct 15, 2019 7:30 PM 1,402
Wanted: these hard to find irises by BlueFlagFan Aug 1, 2019 11:56 AM 391
Newbie to the organization by soneil1009aolcom Aug 12, 2017 6:41 PM 20
Iris Time in PA by Snork Jun 17, 2017 7:46 AM 201

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