Data specific to Daylilies (Edit)
AHS link: AHS Daylily Cultivar Info
Hybridizer: Hager
Year of Registration or Introduction: 1988
Foliage type: Evergreen
Scape height: 24 inches
Bloom size: 2.5 inches
Bloom time: Early
Plant Traits: Extended Bloom
Rebloom
Bloom Traits: Bicolor or Reverse Bicolor
Bloom Form: Single
Color description: yellow brown and brown yellow reverse bicolor
AHS Awards: Honorable Mention: 2008

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
Ploidy: Diploid
Parentage: (Pizza x (sdlg x Raindrop)) x Gold Thimble
Child plants: 17 child plants

Image
Common names
  • Daylily

'Sir Blackstem' was a featured
Plant of the Day for February 19, 2017.
Photo Gallery
Location: Eagle Bay, New York
Date: 2023-07-24
Daylily (Hemerocallis 'Sir Blackstem') in bloom, with dark scapes
Location: SE Michigan
Date: 2016-10-12
FFE! Just look at the beautiful, dark color on that scape!
Location: Little garden of Big Dreams, Dayton KY
Date: 2013
Location: Eagle Bay, New York
Date: 2023-07-17
Daylily (Hemerocallis 'Sir Blackstem') buds and stem
Location: SE Michigan
Date: 2016-10-12
Location: Milford, New Hampshire
Date: 2023-07-07
photo by:  Rob Duval
Location: Eagle Bay, New York
Date: 2023-07-17
Daylily (Hemerocallis 'Sir Blackstem') scape to buds

Photo Courtesy of Eclectic Gardens. Used with Permission
  • Uploaded by Joy

Date: 2009-07-17
Photo Courtesy of Nova Scotia Daylilies Used with Permission
  • Uploaded by vic

Photo Courtesy of Woods Daylily Gardens, Au. Used with Permission
  • Uploaded by Joy

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

Photo Courtesy of Crossview Gardens. Used with Permission.
  • Uploaded by Joy
Location: Mason, New Hampshire
Date: 2020-07-02
Photo credit: Robert Duval

Photo Courtesy of Daylilies by the Lake. Used with Permission.
  • Uploaded by Joy
Plant Events from our members
robertduval14 On July 7, 2023 Bloomed
robertduval14 On July 2, 2020 Bloomed
robertduval14 On June 10, 2018 Bloomed
Brightstar3 On June 29, 2023 Miscellaneous Event
First scape from sir blackstem
» Post your own event for this plant

Discussion Threads about this plant
Thread Title Last Reply Replies
Pigmented Scapes by jrbales Aug 19, 2016 11:31 PM 0

« 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 RootedInDirt and is called "Spring Colors"

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.