Daylily (Hemerocallis 'Red Knockout') in the Daylilies Database

Data specific to Daylilies (Edit)
AHS link: AHS Daylily Cultivar Info
Hybridizer: Hardy-G.
Year of Registration or Introduction: 1994
Ploidy: Tetraploid
Foliage type: Dormant
Scape height: 30 inches
Bloom size: 5 inches
Bloom time: Midseason
Plant Traits: Diurnal
Bloom Traits: Self
Bloom Form: Single
Color description: red-orange 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 3 -40 °C (-40 °F) to -37.2 °C (-35)
Flowers: Showy
Propagation: Seeds: Will not come true from seed
Propagation: Other methods: Division
Parentage: Prime Minister x sdlg

Discussion Threads about this plant
Thread Title Last Reply Replies
July 2019 Blooms by mantisOH Aug 13, 2019 7:55 AM 713
July 2018 Seedlings by kousa Aug 4, 2018 4:01 PM 350
Daylilies of the Antipodes by Gleni Jul 26, 2018 12:19 PM 816
What Did You Do In Your Daylily Garden Today? by bloominholes2fill Nov 11, 2019 8:50 AM 3,853
May 2017 Blooms by Seedfork Jun 6, 2017 9:05 PM 458
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
What new Daylily cultivars did you add this year. by kssmith Aug 20, 2015 8:31 AM 72
Rainy Day Results by DogsNDaylilies Jul 13, 2015 5:57 AM 4
June 2015 Blooms by kidfishing Jul 2, 2015 3:39 PM 635
Partial Shade vs. Full Sun? by beckygardener Sep 1, 2015 4:34 PM 41
Favorite red eyed and edged daylilies by shive1 Jan 27, 2014 11:41 AM 50
Shady Rest Gardens---A Spring Garden Tour by Casshigh Jan 11, 2014 12:39 PM 33
ATP Series: The Daylilies of the Kinnebrews by Char Feb 2, 2016 11:55 AM 41
July Blooms 2013 by Hemlady Aug 2, 2013 1:11 PM 678
Seedlings June 2013 by spunky1 Jul 5, 2013 4:22 AM 369
Blooming in June 2013 by Ladylovingdove Jul 4, 2013 3:08 PM 701
Seedlings May 2013 by spunky1 Jun 2, 2013 5:30 AM 213
Anyone lose a good number of daylilies this past winter (zone 5)? by Seedsower Dec 21, 2013 10:50 AM 63
October 2012 Blooms by Betja Oct 29, 2012 8:58 PM 33

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