PlantsIrises→Intermediate Bearded Iris (Iris 'Autumn Frost')

Common names:
Give a thumbs up Intermediate Bearded Iris
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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

Comments:
Posted by KentPfeiffer (Southeast Nebraska - Zone 5b) on Mar 6, 2015 12:22 PM

Although listed in the AIS 1939 Checklist as Tall Bearded Iris, Autumn Frost is considered to be an Intermediate Bearded Iris.

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Discussion Threads about this plant
Thread Title Last Reply Replies
ADVICE: SMALL, PURPLE, and TENACIOUS... for a 6 Year Old by MamaFan Dec 28, 2020 9:52 PM 20
Suggestions on TB irises that make huge clumps fast with plenty of flowers. by SonoveShakespeare Nov 6, 2020 11:10 AM 43
2020 Iris Virus Blooms by Lbsmitty Jul 20, 2020 11:56 AM 135
California Dreaming.... by evelyninthegarden Dec 23, 2020 10:17 PM 1,678
Best bets for a newbie, zone 5B by Keysfins Aug 19, 2018 3:43 PM 40
No Shows 2018 by urania1 Aug 21, 2018 2:27 PM 37
Breezeway is open for business by grannysgarden Apr 23, 2018 3:09 PM 52
Blooms 2018 by cliftoncat Jan 2, 2019 4:17 PM 2,872
2018 Orders by Dachsylady86 Oct 15, 2019 7:30 PM 1,402
More Fall results in Hanover by Misawa77 Oct 30, 2017 8:32 PM 55
Breck's irises-not blooming by suzysparklesalot Jul 20, 2017 3:02 PM 18
Slightly Off Topic by urania1 Apr 26, 2017 2:47 PM 22
Bloom Season 2017 by shizen Mar 29, 2018 1:09 PM 3,789
Rebloomers by bluegrassmom Dec 7, 2016 11:50 AM 138
Bloom Season 2016 - Part 2 by Lestv Jan 21, 2019 9:53 PM 1,323
OK guys it's Fess Up time! by tveguy3 Dec 22, 2017 2:10 PM 801
The Sutton bed by arilbred Feb 13, 2016 9:33 AM 1
Rebloomers?? by bluegrassmom Jan 12, 2016 8:36 AM 498
Spoon cultivars...What does the best in your garden? by bluegrassmom Aug 26, 2015 10:05 AM 21
What did you do in the Iris garden today? by Paul2032 May 6, 2021 8:38 PM 20,122

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