Intermediate Bearded Iris (Iris 'May Dawn') in the Irises Database

Common names:
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Data specific to Irises (Edit)
Hybridizer: Burtner
Year Of Registration: 1934
Year Of Introduction (May Differ From Registry): 1934
Classification: Intermediate Bearded (IB)
Bloom Season: Mid

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
Parentage: seedling x Ma Belle

Discussion Threads about this plant
Thread Title Last Reply Replies
Mid-America Surplus Sale by cbunny41 Sep 23, 2019 10:47 AM 105
I got a box! 2019 by evelyninthegarden Oct 6, 2019 5:38 PM 516
Bloomin time in Cheese head country! by tveguy3 Sep 7, 2019 3:36 PM 543
2018 Seedlings by ARUBA1334 May 23, 2019 11:22 PM 698
Blooms 2019 by cliftoncat Nov 14, 2019 10:45 AM 2,473
Iris Rot and Vertical Rhizomes by greenappleagnes Sep 15, 2018 9:01 AM 19
Deepening in by UncleWill Sep 11, 2018 12:43 PM 12
Mid-America Clearance Sale by Dachsylady86 Sep 29, 2018 5:05 PM 80
poor form in standards becoming a trend? by DaisyDo Feb 25, 2019 11:54 AM 99
2018 ........i got a box!!!😁😍 by shizen Mar 15, 2019 3:12 PM 1,448
Magical Michigan 2018-Lindsay's Garden by Lbsmitty Jul 18, 2018 1:34 PM 340
My Enchanted Garden 2018 by Dachsylady86 Mar 28, 2019 7:04 PM 716
A Record Year by ARUBA1334 Apr 8, 2018 8:16 PM 818
I'm REALLY looking forward to this one!... by janwax Nov 21, 2018 10:00 PM 1,064
Irises that take their time to bloom. by tveguy3 Dec 21, 2017 5:48 PM 94
For those of you who have 'Pinkity' by Polymerous May 14, 2017 6:01 PM 6
California Bloom Season 2017 by AndreaD Jul 11, 2017 2:15 PM 97
I got a box!!! - 2017 by Dachsylady86 Apr 27, 2018 2:59 AM 1,414
My Season by ARUBA1334 Sep 4, 2017 10:37 PM 474
Celebrating Tempo Two Irises! by IrisLilli Dec 19, 2016 2:44 PM 72

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