PlantsIrises→Tall Bearded Iris (Iris 'Top Hat')

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

Data specific to Irises (Edit)
Hybridizer: Bernard Schreiner
Year Of Registration: 1952
Year Of Introduction (May Differ From Registry): 1954
Classification: Tall Bearded (TB)
Registered Height: 40 inches (102 cm)
Bloom Season: Late
Bloom Color Classification: Violet
Flower Patterns: Self
Bloom Color Description: Violet, intense indigo with red sheen
Awards: Honorable Mention: 1954

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
Ploidy: Tetraploid
Parentage: Parentage unknown
Child plants: 6 child plants

Garden Tour: DahtzuGarden Tour: Dahtzu
By Sharon on July 15, 2012

Let's take a little trip to North Carolina to see the gardens that Dahtzu has created. I think you'll really enjoy the beauty of this visit.

(Full article25 comments)
Give a thumbs up

Discussion Threads about this plant
Thread Title Last Reply Replies
First time iris keeper........ IS IT DYING? by Roebracken May 14, 2021 2:01 PM 4
2021 iris blooming in Maryland by DaisyDo May 17, 2021 1:00 PM 89
I'm losing to the weeds! by julieseward1 May 17, 2021 9:11 AM 40
Broken pattern iris question. by KatyLLL May 2, 2021 7:32 AM 8
Iris ID help? by mibus2 May 3, 2021 8:06 AM 6
If you were going to change Bearded irises, what direction would you take them? by SonoveShakespeare May 17, 2021 10:58 AM 83
Sick Iris by FarminginPink May 3, 2021 12:20 AM 23
Louisiana Irises 2021, Photos, care & advice by hampartsum Apr 24, 2021 11:32 AM 7
New to iris' by RizzoR Apr 28, 2021 9:18 AM 28
Packer land posies! by tveguy3 May 17, 2021 7:51 AM 148
Carolina Dreams, 2021 by Lestv May 16, 2021 6:41 PM 205
It's Iris Time in Tennessee by urania1 May 17, 2021 12:22 PM 199
iris by rivervally Mar 22, 2021 11:14 AM 3
Mid -America's new website is open for orders by janwax Apr 11, 2021 6:41 AM 79
Curious if available by JuneBug222 Mar 1, 2021 9:59 PM 16
Weed Control in Your Iris Beds? by rtowerbay Apr 3, 2021 8:18 PM 22
Trimming Bearded Iris Foliage in Spring. by SonoveShakespeare Mar 5, 2021 10:06 AM 41
Late bloomers by MrsMud Feb 18, 2021 6:04 PM 29
2021 Iris Season by Australis May 17, 2021 12:16 PM 1,007
Lifting Iris? by KatyLLL Feb 14, 2021 2:36 PM 3

« Add a new plant to the database

» Search the Irises Database: by characteristics or by cultivar name

« See the general plant entry for Irises (Iris)

« Visit the Irises forum

« The Irises Database Front Page

« The Plants Database Front Page

Today's site banner is by lauriemorningglory and is called "White pasqueflower"

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.