Photo by Melody

PlantFiles: Daylily
Hemerocallis 'Big Smile'

Family: Hemerocallidaceae (hem-er-oh-kal-id-AY-see-ee) (Info)
Genus: Hemerocallis (hem-er-oh-KAL-iss) (Info)
Cultivar: Big Smile
Hybridized by Apps; Year of Registration or Introduction: 1999

» View all varieties of Daylilies

One vendor has this plant for sale.

14 members have or want this plant for trade.

18-24 in. (45-60 cm)

12-15 in. (30-38 cm)

USDA Zone 3a: to -39.9 C (-40 F)
USDA Zone 3b: to -37.2 C (-35 F)
USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:

Propagation Methods:
By dividing the rootball

Bloom Time:
Midseason (M)

Flower Size:
Large (more than 4.5" diameter)

Blooming Habit:
Diurnal (diu.)

Flower Type:

Bloom Color:
Pale Yellow

Color Patterns:

Flower Fragrance:
Slightly Fragrant

Foliage Habit:
Dormant (dor.)


Awards (if applicable):
Award of Merit (or runner-up)

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Thumbnail #1 of Hemerocallis  by Texas_Doodlebug

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There are a total of 23 photos.
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5 positives
2 neutrals
No negatives

Gardeners' Notes:

Positive lilianna On Oct 12, 2007, lilianna from Geyserville, CA wrote:

Big Smile is an outstanding daylily! The color is gorgeous, the flower is huge and the plant habit is stellar! It blooms almost continuously and multiplies quickly.

Neutral Mainer On Jan 25, 2007, Mainer from Durham, ME (Zone 3a) wrote:

Okay it did not start well but I am giving it a chance. Beautiful plant but too tender for my area unless started clump style not one bareroot. Three small bareroot attempts died in the past three years and finally I got one half of a plant to survive in a very sheltered area. It is doing quite well, blooms, and I even divided a piece off for a trade and it survived the winter. When it gets bigger will see if it will grow in not so sheltered a spot. Beautiful Edgings on the otherhand looks similar and does wonderfully in the wooden raised beds..

Positive Sherlock221 On Jun 23, 2006, Sherlock221 from Lancaster, KY wrote:

What a gorgeous daylily this is! Stunning big flowers with such delicate pastel coloring. This is only the second year I have the plant and it's getting several blooms a day on it. Even the first bloom had a perfect shape and lovely coloring. Highly recommended.

Neutral KDePetrillo On Oct 17, 2004, KDePetrillo from North Scituate, RI (Zone 6a) wrote:

Bought "Big Smile" thru the Internet, and the plant sent was quite small. It didn't bloom at all this past summer, but I'm hoping for better things next season.

Positive bonnielily On Oct 6, 2003, bonnielily from Martinez, GA (Zone 8a) wrote:

Just acquired 2 fans summer 2003. Bloomed once. Now October, have had temperatures in 40s at night. Just discovered another bloom scape. Now in 3rd summer (2005), this lily has not stopped making bloom scapes 2-3 at a time continuously. Great multiplier, clump has more than tripled in size.

Positive hemlady On Jul 13, 2003, hemlady from Melvindale, MI (Zone 5a) wrote:

Very lovely, huge flower. Grows well in zone 5 in Michigan (U.S.)

Positive MaryQn2 On Jul 11, 2003, MaryQn2 from Central Islip, NY wrote:

I purchased this daylily from Parks Seeds last year and this year I have two stalks of flower buds on it. They are a beautiful flower and I look forward to it getting bigger and giving off more flowers as the years go by.


This plant has been said to grow in the following regions:

Geyserville, California
Waterbury, Connecticut
Augusta, Georgia
Tunnel Hill, Georgia
Mchenry, Illinois
Cedar Rapids, Iowa
Lancaster, Kentucky
Owensboro, Kentucky
Hagerstown, Maryland
Brown City, Michigan
Hibbing, Minnesota
Ocean Springs, Mississippi
Central Islip, New York
Elizabeth City, North Carolina
Monroe, North Carolina
Coshocton, Ohio
Mount Gilead, Ohio
Freedom, Pennsylvania
Norristown, Pennsylvania
Selinsgrove, Pennsylvania
Readyville, Tennessee
Toone, Tennessee
Harker Heights, Texas
New Waverly, Texas
Smithfield, Virginia
Denmark, Wisconsin
Marion, Wisconsin
Mount Horeb, Wisconsin

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