Daylily (Hemerocallis 'Rosie O'Day') in the Daylilies Database

Data specific to Daylilies (Edit)
AHS link: AHS Daylily Cultivar Info
Hybridizer: Mederer
Year of Registration or Introduction: 1970
Ploidy: Diploid
Foliage type: Evergreen
Scape height: 30 inches
Bloom size: 4.5 inches
Bloom time: Early
Plant Traits: Rebloom
Diurnal
Bloom Traits: Self
Bloom Form: Single
Color description: rose self with green throat

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Minimum cold hardiness: Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F)
Flowers: Showy
Propagation: Seeds: Will not come true from seed
Propagation: Other methods: Division

Discussion Threads about this plant
Thread Title Last Reply Replies
Go south of the equator young daylily. by Gleni Nov 15, 2019 4:46 AM 266
August 2019 Daylily Blooms by Hazelcrestmikeb Sep 4, 2019 7:37 AM 489
"Reblooming" Question.. by Gareson Jul 17, 2019 3:48 PM 4
July 2019 Seedlings by flowerpower35 Aug 3, 2019 2:03 PM 477
The sun does not set on daylilies by Gleni May 8, 2019 6:25 AM 544
Hurricane Florence by beckygardener Oct 4, 2018 3:31 AM 39
August 2018 blooms by Charlemagne Sep 3, 2018 12:09 PM 516
June 2018 Blooms by GenXNEGeorgia Jul 3, 2018 5:57 PM 586
Daylilies of the Antipodes by Gleni Jul 26, 2018 12:19 PM 816
July 2017 Blooms by cybersix Aug 5, 2017 2:26 PM 535
June 2017 Blooms by Altheabyanothername Aug 10, 2017 11:40 PM 645
Daylily Clump photos by Seedfork Sep 21, 2017 8:09 PM 354
5th Daylily of the Day POLL (Closed) by beckygardener Nov 12, 2016 6:34 PM 31
September Blooms by Hemlady Mar 24, 2017 8:44 PM 198
The Southern Hemisphere bursts into bloom. by Gleni Aug 25, 2017 8:03 PM 1,026
July blooms 2016 by Barbalee Aug 6, 2016 7:37 AM 902
June Blooms 2016 by JWWC Jul 1, 2016 12:06 PM 758
May blooms 2016 by scflowers Jun 1, 2016 4:32 PM 380
Weather In Your Garden ~ Spring 2016 (Closed) by Char Jun 21, 2016 4:39 AM 1,055
Pics of poly blooms by GDJCB Sep 26, 2017 1:10 PM 448

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