Hemerocallis 'August Frost'

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Photo Courtesy of Walters Gardens, Inc.
 Common Name: Daylily

This large flowered daylily has an exceptionally beautiful, distinctive, full flower form.  It boasts loads of near-white to pale yellow blossoms with the narrowest gold wire edge around the edges of the petals.  The ruffled petals recurve slightly to reveal the triangular flower form. 

As its name implies, 'August Frost' is a late bloomer, usually coming into flower when most daylilies are past their peak, so it is useful for extending the season of interest into late summer in the landscape.  The blossoms remain in good shape all day long despite the temperature extremes that can occur late in the season. 

This cultivar forms a robust clump of healthy foliage with many heavily budded, well-branched scapes.

Daylilies can survive many harsh conditions that other plants cannot including: polluted city environments, slopes, poor and dry soils, near pavement that is salted in winter, and under Black Walnut trees (not affected by juglone).

Breeder: Trimmer

Origin: Not Native to North America


  34 Inches
  18-24 Inches
Flower Color:
  White Shades
Foliage Color:
  Green shades
Hardiness Zone:
Find Your Zone
Sun or Shade?:
  Full sun (> 6 hrs. direct sun)
  Part shade (4-6 hrs. direct sun)
Wet or dry?:
  Low water needs
  Average water needs
Want to see wings?:
  Attracts butterflies
  Attracts hummingbirds
Need critter resistant plants?:
  Rabbit resistant
How fast should it grow?:
When should it bloom?:
  Late summer
How's your soil?:
  Poor Soil
  Average Soil
  Fertile Soil
Sweet or Sour Soil?:
  Acidic Soil (pH < 7.0)
  Neutral Soil (pH = 7.0)
  Alkaline Soil (pH > 7.0)
What's your garden style?:


Border plants
Mass Planting
Salt Tolerant
Easy to grow

Homeowner Growing & Maintenance Tips:

Daylilies are some of the easiest perennials to grow and are a good choice for any gardener, from the beginner to the professional. These are tough, adaptable plants that will grow in any soil, from normal to slightly wet to dry. Older varieties are able to bloom if planted in partial shade, but most of the newer introductions need full sun for best performance. Likewise, older varieties tend to spread more rapidly than the newer hybrids.

All varieties can be divided every 3-4 years by digging up the entire clump and dividing it into smaller pieces with a minimum of 3 eyes each. This can be done in either spring or fall. Plants should be deadheaded for cosmetic purposes, but in most cases this will not extend the bloom time.


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Daylilies were eaten as food in China and Japan.

While every effort has been made to describe this plant accurately, please keep in mind that the height, bloom time, and color may differ in various climates throughout the country. The description of this plant was written based on our experience growing it in Michigan (USDA hardiness zone 5) and on numerous outside resources.