Data specific to Daylilies (Edit)
AHS link: AHS Daylily Cultivar Info
Hybridizer: Gossard
Year of Registration or Introduction: 2000
Foliage type: Dormant
Scape height: 37 inches
Bloom size: 9 inches
Bloom time: Midseason
Plant Traits: Diurnal
Early Morning Opener (EMO)
Bud Count: 26-30
Branching: 4-way
Fertility: Pod Fertile
Pollen Fertile
Bloom Traits: Bicolor or Reverse Bicolor
Bloom Form: Unusual Form
Unusual Form - Crispate
Color description: maroon bicolor with yellow midrib above green yellow throat
AHS Awards: Honorable Mention: 2005

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
Fragrant
Propagation: Seeds: Will not come true from seed
Propagation: Other methods: Division
Ploidy: Diploid
Parentage: (Spiral Charmer x Charmer) x (Mormon Spider x Pat Thornton)
Child plants: 21 child plants

Image
Common names
  • Daylily

'Radiation Biohazard' was a featured
Plant of the Day for October 17, 2015.
Photo Gallery
Location: Enterprise, Al. 36330
Date: 2018-05-20
Radiation Biohazard
Location: 03451
Date: 2018-07-31
Radiation Biohazard
Location: Northville, MI
Date: July 3, 2022, 2:40 PM
Location: springfield MO
Date: 2018-06-17
This photo is a comparison. Radiation Biohazard and also Howdy ar
Location: My zone 5 garden.
Date: 2020-07-12
this is good hardy plant.
Photo by Joy
  • Uploaded by Joy
Location: My house in Portsmouth.
Date: 2013-06-19
Photo by mlt
  • Uploaded by mlt
Photo by mattsmom
Location: My zone 5 garden.
Date: 2017-07-05
Location: Lower Saxony, Germany
Date: 2023-06-26
Photo by mattsmom
Location: my garden in Germany
Date: 2016-07-14
Location: My garden in Kalama, Wa. Zone 8
Date: 2013-06-27
  • Uploaded by Joy
Location: My garden in Kalama, Wa. Zone 8
Date: 2013-06-27
  • Uploaded by Joy
Location: Western Washington
Date: 2016-06-20
Location: DeCooman daylilies, Arcadia, Ohio
Date: 2019-07-12
Location: my garden, Germany
Date: 2014-06-19
Location: Kalama, Wa.
Date: 2011-07-24
  • Uploaded by Joy
Location: springfield MO
Date: 2016-06-14
Location: My zone 5 garden.
Date: 2017-07-13
Twins!

Photo Courtesy of Daylilies by the Pond. Used with Permission.
  • Uploaded by Joy
Location: Lower Saxony, Germany
Date: 2019-07-02
Location: My zone 5 garden.
Date: 2017-07-03
Location: SE Michigan
Location: Garden of eScapes Bellevue KY
Date: 2013-09-21

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

Photo Courtesy of Nottawasaga Daylilies. Used with Permission.
  • Uploaded by Joy
Location: DeCooman daylilies, Arcadia, Ohio
Date: 2019-07-12

Photo Courtesy of Mystic Meadows Daylily Farm. Used with Permissi
  • Uploaded by Joy

Photo Courtesy of Saksa Daylily Farm. Used with Permission
  • Uploaded by Joy
Location: Milford, New Hampshire
Date: 2023-07-04
photo by:  Rob Duval
Location: Kalama, Wa.
Date: 2011-08-03
  • Uploaded by Joy

Photo courtesy of Briscos' Best Blooms. Used with permission.
  • Uploaded by Joy
Location: My zone 5 garden
Date: 2016-07-20
Location: Kalama, Wa
Date: 2011-07-15
  • Uploaded by Joy
Location: Mason, New Hampshire
Date: 2020-07-17
Photo credit: Robert Duval
Location: Lower Saxony, Germany
Date: 2023-07-03
Location: Private Daylily Garden, MI
Date: 2004-07-31
Location: My zone 5 garden.
Date: 2017-06-30
Photo by philljm
Location: my garden
Date: 2013-07-12

Photo Courtesy of Mystic Meadows Daylily Farm. Used with Permissi
  • Uploaded by Joy

Date: 2005-07-01
Photo Courtesy of Nova Scotia Daylilies Used with Permission
  • Uploaded by vic
Location: Milford, New Hampshire
Date: 2023-07-07
photo by:  Rob Duval

Photo Courtesy of A-1 Daylilies. Used with Permission.
  • Uploaded by Joy
Location: My zone 5 garden
Date: 2016-07-12
My 1st bloom on a new plant this spring.
Location: my garden, Germany
Date: 2014-06-21
Location: My garden in Kalama, Wa. Zone 8
Date: 2012-07-01
  • Uploaded by Joy
Location: Mason, New Hampshire
Date: 2019-07-20
photo credit: Robert Duval
Location: Milford, New Hampshire
Date: 2023-07-02
photo by:  Rob Duval
Location: Mason, New Hampshire
Date: 2020-07-21
Photo credit: Robert Duval

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

Photo Courtesy of Cheryl's Daylilies. Used with Permission
  • Uploaded by Joy
Location: Mason, New Hampshire
Date: 2019-07-20
photo credit: Robert Duval
Location: my garden
Date: 2013-07-20

Date: 2012-03-19
Courtesy of Quarles Daylilies Used with Permission
  • Uploaded by vic
Plant Events from our members
Seedfork On May 14, 2018 Bloomed
First bloom on this plant this year.
Seedfork On April 23, 2018 Miscellaneous Event
Observed fascinated scape on this plant today.
Seedfork On April 20, 2018 Miscellaneous Event
First scape on this plant for the year.
Seedfork On June 17, 2017 Bloomed
First bloom ever in my garden
Seedfork On June 1, 2017 Miscellaneous Event
First scapes ever in my garden
Seedfork On April 26, 2017 Obtained plant
Received from Miss Becky's, 4 fans.
robertduval14 On July 2, 2023 Bloomed
robertduval14 On July 17, 2020 Bloomed
robertduval14 On July 18, 2019 Bloomed
robertduval14 On June 24, 2018 Transplanted
robertduval14 On June 23, 2018 Obtained plant
KJMarionGallant On July 15, 2018 Bloomed
UncleWill On April 5, 2020 Obtained plant
Received and planted
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