Daylily (Hemerocallis 'Double Blu By-You') in the Daylilies Database

Data specific to Daylilies (Edit)
AHS link: AHS Daylily Cultivar Info
Hybridizer: DuPaul
Year of Registration or Introduction: 2010
Ploidy: Diploid
Foliage type: Dormant
Scape height: 32 inches
Bloom size: 6 inches
Bloom time: Midseason
Plant Traits: Rebloom
Diurnal
Bud Count: 21-25
Branching: 3-way
Bloom Traits: Eye or Band
Edged
Bloom Form: Double
Color description: blue violet blend with violet eye and edge above yellow 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: Land of Cotton x sdlg

Discussion Threads about this plant
Thread Title Last Reply Replies
2018 Shipping Season has Begun! by VHarmon Jun 5, 2018 7:20 PM 105
Cristated or "bearded" Daylily in cooler climates for hybridizing- I'm in 5A WI by Cpschult Jun 21, 2018 1:56 PM 43
What are you ordering for 2018? by Betja Jun 21, 2018 7:39 AM 943
Daylilies of the Antipodes by Gleni Apr 22, 2018 8:46 AM 802
Which is your favourite small/mini purple? by Scatterbrain Mar 12, 2018 10:53 AM 143
Why do daylilies not produce blooms? by beckygardener Jul 21, 2017 2:47 PM 46
July 2017 Seedlings by kidfishing Nov 13, 2017 6:57 PM 206
July 2017 Blooms by cybersix Aug 5, 2017 2:26 PM 535
June 2017 Blooms by Altheabyanothername Aug 10, 2017 11:40 PM 645
May 2017 Blooms by Seedfork Jun 6, 2017 9:05 PM 458
Hard To Do... But Out They Went by blue23rose Apr 29, 2017 7:11 PM 60
Weather In Your Garden ~ Winter 2016 - 2017 (closed) by Char Mar 20, 2017 5:05 AM 1,012
What are YOU adding for 2017!!! by Nysbadmk8 Oct 13, 2017 9:27 AM 1,374
The Southern Hemisphere bursts into bloom. by Gleni Aug 25, 2017 8:03 PM 1,026
Pollen - Freezing and Shipping ideas by gardenglory Oct 2, 2016 12:01 PM 62
Pictures of Your Favorite Combo Plants for Daylilies? by Legalily Feb 10, 2017 4:27 AM 40
August Blooms 2016 by mantisOH Sep 1, 2016 11:03 PM 303
July blooms 2016 by Barbalee Aug 6, 2016 7:37 AM 902
Re-bloom Cultivars by beckygardener Oct 27, 2016 5:59 PM 595
Need to vent....Daylily thief! by Lilydaydreamer Sep 3, 2016 7:14 PM 78

« Add a new plant to the database

» Search the Daylilies Database: by characteristics or by cultivar name

« See the general plant entry for Daylilies (Hemerocallis)

« Visit the Daylilies forum

» Read our note about daylily rust scores

« The Daylilies Database Front Page

« The Plants Database Front Page

Today's site banner is by Fleur569 and is called "Orchid Cymbidium "