Data specific to Irises (Edit)
Hybridizer: Robert Schreiner
Year Of Registration: 1934
Year Of Introduction (May Differ From Registry): 1934
Classification: Intermediate Bearded (IB)
Bloom Season: Early Mid
Rebloom
Bloom Color Classification: White
Flower Patterns: Self
Awards: Honorable Mention: 1936

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

Common names
  • Intermediate Bearded Iris
  • Iris

Comments:
  • Posted by KentPfeiffer (Southeast Nebraska - Zone 5b) on Mar 6, 2015 12:22 PM concerning plant:
    Although listed in the AIS 1939 Checklist as Tall Bearded Iris, Autumn Frost is considered to be an Intermediate Bearded Iris.

« 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 Zoia and is called "Tulip Lilac Wonder"

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