Intermediate Bearded Iris (Iris 'Fritjof') in the Irises Database

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

Data specific to Irises (Edit)
Hybridizer: Goos & Koenemann
Year Of Registration: introduced prior to registration system
Year Of Introduction (May Differ From Registry): 1910
Classification: Intermediate Bearded (IB)
Bloom Season: Early
Bloom Color Classification: Violet
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 8b
Flowers: Showy
Underground structures: Rhizome
Propagation: Seeds: Will not come true from seed
Propagation: Other methods: Division
Child plants: 6 child plants

Discussion Threads about this plant
Thread Title Last Reply Replies
Some pretty no id Irises to brighten winter days... by gemini_sage Sep 14, 2015 11:49 AM 410

« 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 bootandall and is called "Rosa Crepuscule"

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