PlantsIrises→Intermediate Bearded Iris (Iris 'Yellow Hammer')

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

Data specific to Irises (Edit)
Hybridizer: Louis Denis
Year Of Registration: 1920
Year Of Introduction (May Differ From Registry): 1920
Classification: Intermediate Bearded (IB)
Bloom Season: Early
Bloom Color Classification: Yellow

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
Ploidy: Unbalanced Tetraploid
Parentage: I.pseudopumila x unknown
Child plants: one child plant

Discussion Threads about this plant
Thread Title Last Reply Replies
Bonnie's Bloomers a.k.a. Fellowship of the Garden by grannysgarden Sep 21, 2021 4:32 PM 3,139
What did you do in the Iris garden today? by Paul2032 Jan 17, 2022 10:24 AM 21,618
First bloom this year by piksihk Feb 28, 2015 7:47 PM 14
Show me some signs of SPRING! by tveguy3 May 3, 2015 7:41 AM 999
Mindless chatter by Muddymitts Jan 6, 2022 4:28 PM 19,875

« 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 arctangent and is called "Calm water lends serenity"

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