Data specific to Daylilies (Edit)
AHS link: AHS Daylily Cultivar Info
Hybridizer: Kraus
Year of Registration or Introduction: 1950
Foliage type: Dormant
Scape height: 36 inches
Bloom time: Midseason
Plant Traits: Extended Bloom
Bloom Traits: Self
Bloom Form: Single
Color description: YL1: Yellow light self

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
Ploidy: Diploid
Parentage: Hyperion x Rajah
Child plants: 22 child plants

Common names
  • Daylily

Photo Gallery

Date: 2018-07-13

Photo Courtesy of Gardens Plus. Used with Permission
  • Uploaded by Joy
Location: Clinton, Michigan 49236
"Hemerocallis 'Yellowstone', 2017, Light Yellow [Daylily], hem-ur
Location: Waynesboro MS
Date: 2008-06-23

Photo Courtesy of Te Sligte Gardens. Used with Permission
  • Uploaded by Joy
Location: Clinton, Michigan 49236
Date: 2018-07-06
"Hemerocallis 'Yellowstone', 2018 photo, Light Yellow Daylily, (K
Location: Clinton, Michigan 49236
Date: 2017-10-23
"Hemerocallis 'Yellowstone', 2017, Light Yellow [Daylily], hem-ur

Courtesy American Daylily and Perennials
  • Uploaded by vic

Courtesy of Quarles Daylilies Used with Permission
  • Uploaded by vic
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