Data specific to Daylilies (Edit)
AHS link: AHS Daylily Cultivar Info
Hybridizer: Roberts-N.
Year of Registration or Introduction: 2002
Foliage type: Semi-evergreen
Scape height: 34 inches
Bloom size: 7.5 inches
Bloom time: Midseason
Plant Traits: Nocturnal
Bud Count: 26-30
Branching: 3-way
Fertility: Pod Fertile
Pollen Fertile
Bloom Traits: Eye or Band
Bloom Form: Spider
Color description: light mauve purple with dark purple eye above green throat
AHS Awards: Honorable Mention: 2010
HOS: 2020

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Flowers: Showy
Propagation: Seeds: Self fertile
Will not come true from seed
Propagation: Other methods: Division
Ploidy: Diploid
Child plants: 9 child plants

Image
Common names
  • Daylily

'Black Arrowhead' was a featured
Plant of the Day for April 11, 2016.
Photo Gallery
Location: Maryville,TN
Date: June 2023
Location: my garden-zone 6b
Date: 2023-08-22
Location: Stoneham MA
Date: 2023-08-01
Black Arrowhead
Photo by Jason_Halonen

Photo taken 7/31/2010 in my garden
Location: my garden-zone 6b
Date: 2023-07-08
Location: Stoneham MA
Date: July 2020
Location: Stoneham MA
Date: July 21, 2022
Location: Waldoboro Maine
Date: 2019-07-27
Photo by judydu2
Location: Nocona,Texas zn.7 My gardens
Date: June 12,2019
My 3 yr wait was worth it!!
Location: Nora's Garden - Castlegar, B.C.
Date: 2016-08-10
 4:47 pm.  Beautiful arching petals.
Photo by floota
Location: Stoneham MA
Date: August 4, 2021
Location: Eagle Bay, New York
Date: 2022-08-07
Black Arrowhead
Location: SE Michigan
Date: 2017-07-17
Location: Nora's Garden - Castlegar, B.C.
Date: 2018-07-30
- Stamens pop out of the bright throat.

Date: 2012-03-19
Courtesy of Quarles Daylilies Used with Permission
  • Uploaded by vic
Location: Lower Saxony, Germany
Date: 2021-07-06
Location: My garden-Zone 9a
Date: 2020-04-29
Daylily -Black Arrowhead
Location: BX Creek Daylilies, Vernon, BC.
Photo by Gail Morgan of BX Creek Daylilies. Used with permission.
Location: Kent, UK
Photo by kimkats
Location: Nocona,Texas zn.7 My gardens
Date: June 12,2019

Date: 2012-03-17
Image courtesy of Charlotte's Daylily Diary. Used with permission
  • Uploaded by vic
Location: Nora's Garden - Castlegar, B.C.
Date: 2016-08-07
 7:47 pm.  Such an unusual colour.
Location: Gulf Shores, AL
Date: 2014-06-02
My garden in Gulf Shores, AL 2014
Location: My garden-Zone 9a
Date: 2020-04-29
Daylily -Black Arrowhead

Photo courtesy of Daylilies of Kenefick
Location: Eagle Bay, New York
Date: 2021-7-28
Black Arrowhead

Photo Courtesy of Homestead Farms Nursery. Used with Permission.
  • Uploaded by Joy
Location: Private Daylily Garden, MI
Date: 2012-08-06
Location: Private Daylily Garden, MI
Date: 2012-08-06
Location: Poland, Maine
Date: 2013-07-16
Location: Private Daylily Garden, MI
Date: 2009-07-13
Location: Private Daylily Garden, MI
Date: 2009-07-13
Location: Private Daylily Garden, MI
Date: 2011-07-24
Location: Nocona,Texas zn.7 My gardens
Date: 2019-06-11
Photo by LarryR
Location: Clymer,PA
Date: 2019-07-17
Location: Eagle Bay, New York
Date: 2023-07-24
Daylily (Hemerocallis 'Black Arrowhead') bloom and buds

Image Courtesy of Canning Daylily Gardens Used with Permission
  • Uploaded by Joy
Photo by kimkats
Location: My garden-Zone 9a
Date: 2020-04-29
Daylily -Black Arrowhead

Photo Courtesy of Saksa Daylily Farm. Used with Permission
  • Uploaded by Joy

Photo Courtesy of Earlybird Daylilies. Used with Permission.
  • Uploaded by Joy

Photo courtesy of Karen Newman, Delano Daylilies

Date: 2009-07-25
Photo Courtesy of Nova Scotia Daylilies Used with Permission
  • Uploaded by vic

Photo Courtesy of Crossview Gardens. Used with Permission.
  • Uploaded by Joy
Comments:
  • Posted by kimkats (Md - Zone 6a) on Dec 12, 2010 2:04 AM concerning plant:
    Fertile Both ways in my garden. Reblooms too.

    Lavender w/grey tones and purple/black eye, and a nice green throat.

  • Posted by beenthere (KY - Zone 6b) on Sep 3, 2022 5:52 AM concerning plant:
    Reblooming here in 6B.
Plant Events from our members
KJMarionGallant On July 18, 2018 Bloomed
Mlbdphillips On June 9, 2019 Obtained plant
Bluestone Perennials
carpathiangirl On April 22, 2020 Obtained plant
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