Data specific to Daylilies (Edit)
AHS link: AHS Daylily Cultivar Info
Hybridizer: Powell-L.K.
Year of Registration or Introduction: 1983
Foliage type: Dormant
Scape height: 33 inches
Bloom size: 9 inches
Bloom time: Midseason
Plant Traits: Rebloom
Bloom Traits: Self
Bloom Form: Single
Color description: yellow self with 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
Fragrant
Propagation: Seeds: Will not come true from seed
Propagation: Other methods: Division
Ploidy: Tetraploid
Parentage: Monster x Hudson Valley
Child plants: 6 child plants

Image
Common names
  • Daylily

'Valley Monster' was a featured
Plant of the Day for October 27, 2021.
Photo Gallery
Location: RHS Garden Wisley
Date: 2023-07-22
Photo by blue23rose
Location: My garden in northeast Texas
Date: 2021-07-16
Excellent grower, great color
Location: Little garden of Big Dreams, Dayton KY

Photo Courtesy of Homestead Farms Nursery. Used with Permission.
  • Uploaded by Joy
Location: Private Daylily Garden, MI (DKP)
Date: 2005-07-20
Location: New York Botanical Gardens Bronx NY
Date: July 2014
Full sun.

Photo Courtesy of Crossview Gardens. Used with Permission.
  • Uploaded by Joy
Location: Private Daylily Garden, MI (DKP)
Date: 2005-07-20

Date: 2009-07-31
Photo Courtesy of Nova Scotia Daylilies Used with Permission
  • Uploaded by vic

Date: 2012-01-25
Photo Courtesy of Walnut Hill Gardens Used With Permission. Unaut
  • Uploaded by vic
Location: Private Daylily Garden, MI (DKP)
Date: 7-2008
Location: Private Daylily Garden, MI (DKP)
Date: 7-2008

Image Courtesy of Monches Farm Used with Permission
  • Uploaded by vic

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

Posted with permission and photographed by Marianne Joordens http
  • Uploaded by vic

« 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 Zoia and is called "Snow White, Deep Green"

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