Photo by Melody

PlantFiles: Daylily
Hemerocallis 'Kwanso'

Family: Hemerocallidaceae (hem-er-oh-kal-id-AY-see-ee) (Info)
Genus: Hemerocallis (hem-er-oh-KAL-iss) (Info)
Cultivar: Kwanso

Synonym:Hemerocallis var. kwanso
Synonym:Hemerocallis fulva flore pleno

» View all varieties of Daylilies

7 vendors have this plant for sale.

71 members have or want this plant for trade.

36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

24-36 in. (60-90 cm)
36-48 in. (90-120 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:

Color Patterns:

Flower Fragrance:
No fragrance

Foliage Habit:
Dormant (dor.)


Awards (if applicable):
Stout Silver Medal

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There are a total of 58 photos.
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16 positives
No neutrals
1 negative

Gardeners' Notes:

Positive fuzzien2 On Jul 1, 2013, fuzzien2 from Fredericksburg, IN wrote:

The kwanso daylily can also be seen growing at Fredericksburg, Indiana in our back yard

Positive Italianstyle On Sep 18, 2012, Italianstyle from Gorizia
Italy (Zone 8a) wrote:

I live in the north of Italy (near Trieste) zone 8a,
I have had this plant in my garden for the last 4 years, I like it alot as it makes beautiful flowers and is very hardy. This year for the first time it has grown new plants from the flower stalks after the blooms died.

Positive Michael_Ronayne On Apr 12, 2010, Michael_Ronayne from Nutley, NJ (Zone 6b) wrote:

There is a great deal of confusion pertaining to the identification of Hemerocallis fulva 'Kwanso' and Hemerocallis fulva 'Flore Pleno'.

Basically H. fulva 'Kwanso' is a double with 12 petals and 'Flore Pleno' is a triple with 18 petals! The gardening term 'Flore Pleno' which is applied to many plants means a flower with extra petals.

Positive motherhen4 On Jun 14, 2009, motherhen4 from Sweetwater, TN wrote:

Kwanso is a very hardy daylily. It can take over other daylilies though because it spreads rapidly.Sometimes the underground runners will pop up two or three feet away from the original plant.Great for ground cover or in ditches or even along side fences. There is another daylily that looks like this one, but isn't aggressive, I think it is shorter too. It was called Double Apricot Beauty, but I can't find any info on it.

Positive dragonfly62 On Jan 28, 2009, dragonfly62 from Nilwood, IL (Zone 5b) wrote:

I have had this plant for yrs and it even does well in the shade. My Kwanso is triple not double and I have seedlings that are triple and they are cantalope color light orange.

Positive John_PI On Sep 7, 2008, John_PI from New Bern, NC wrote:

I have what I have been told is a Kwanso. The blooms last 4 to 5 days and it grows young plants after the blooms die from the flower stalk. Does this sound right.

Negative sandy4 On Jul 27, 2007, sandy4 from Reading, MA wrote:

I have had this plant growing in my garden for over three years now. I don't like it and I will tell you why. It does not produce uniform blossums. Often times the blooms are so twisted that they are almost painful to look at. Every now and then you may get the almost perfect blossum but having the plant take up precious space in my garden is not worth it to me. One positive thing I can say about it is it is a very robust grower. Too bad it falls short on every other aspect in my opinion.

Positive WUVIE On Jun 21, 2007, WUVIE from Hulbert, OK (Zone 7a) wrote:

This is indeed a unique looking daylily. A plant that has
'roots' which literally go back in time.

A true original cultivar that deserves the respect
it seldom receives. I have many growing at our home.

Positive radiatorfan On Jun 13, 2007, radiatorfan from Metairie, LA wrote:

I was given this plant a few years ago and was told it was not a daylily. It survived flooding from Katrina and subsequent neglect for a year and multiplies like crazy. Had a little aphid problem this spring when new leaves emerged. Otherwise pest free.

Positive GeorgiaJo On Jun 13, 2007, GeorgiaJo from Dallas, GA (Zone 7b) wrote:

We don't get much sun, so I planted these in large pots so I can move them around. Doing very well.

Positive escambiaguy On Mar 22, 2007, escambiaguy from Atmore, AL (Zone 8b) wrote:

I have some that were started by my great grandparents 50 years ago and they are still growing strong. They do need dividing every other year, but otherwise are carefree.

Positive ignote On Jul 17, 2006, ignote from Saint Cloud, MN (Zone 4a) wrote:

I bought a house last fall, and this spring we started preparing a flower bed where the previous owner had placed a bunch of black plastic and landscaping rock. A few months later, we noticed a couple of fans growing. We left them in place to see what would surprise us, and this daylily bloomed. This must be the hardiest of the hardy!

Positive Turtle_35206 On Jun 29, 2006, Turtle_35206 from Cordele, GA wrote:

I have found this plant to be a good bloomer and pest free. I have also found that with additional feeding and water this will rebloom in Georgia in zone 8.

Positive JeffWilkinson On Aug 10, 2004, JeffWilkinson from Baltimore, MD wrote:

I have a bed of these lilies in my garden from my wife's grandparents. They also grow in other patches around our neighborhood. (Baltimore, Maryland, USA). They grow very well with little maintenance and modest light (tree-shaded yard so they get partial-day direct sunlight).

All I have to do is clean the dead leaves out in late fall or early spring, and to thin them out a bit. They reproduce quite well by themselves and will fill the bed too densely unless you move some bulbs elsewhere each year or two.

Beautiful, complex blossums. They don't last more than a few weeks for me, and don't last long when cut, but they are worth the wait. FWIW, I'm a very amateur gardener, and if I can grow these successfully, anyone can. ;-)

Positive lint On Jul 18, 2004, lint from Effort, PA wrote:

This Kwanso type of hemerocallis is the original daylily plant. These came from Japan decades ago and are parent to the common roadside orange daylilies growing here in Pennsylvania. Mine has variegated leaves, i.e. striped with white. Semi-double orange flowers - apparently the degree of ruffling varies with the plant. This info came from our local daylily expert and hybridizer in Northeaster PA whose farm I visited yesterday. Very vigorous and all parts are edible. With daylilies, the more fragrant they are, the sweeter they taste - or so I've heard! ... Linda

Positive patq On Oct 28, 2003, patq wrote:

I grow this in Belfast, Ireland and find it is a good, if slightly agressively spreading, plant with a nice soft orange colouring. Flowers are a little on the course side, but it is very reliable. Works well in massed planting.

Positive FL_Gator On Aug 30, 2002, FL_Gator from Dunnellon, FL (Zone 8b) wrote:

I have grown KWANSO in two vastly different climates, Kentucky and Florida, and have found it to be a good plant in both. In some situations, the fact that it is an aggressive spreader could be a drawback, but its hardiness is great.


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

, (3 reports)
Arley, Alabama
Atmore, Alabama
Enterprise, Alabama
Madison, Alabama
Trinity, Alabama
Vincent, Alabama
Anchorage, Alaska
Clinton, Arkansas
Felton, California
Fresno, California
Long Beach, California
Washington, District Of Columbia
Jacksonville, Florida
Keystone Heights, Florida
Molino, Florida
Cordele, Georgia
Dallas, Georgia
Hawkinsville, Georgia
Makanda, Illinois
Moline, Illinois
Mount Prospect, Illinois
Nilwood, Illinois
Round Lake, Illinois
Williamsville, Illinois
Fredericksburg, Indiana
Greenville, Indiana
Kimmell, Indiana
Solsberry, Indiana
Cedar Rapids, Iowa
Iowa City, Iowa
Nichols, Iowa
Derby, Kansas
Barbourville, Kentucky
Bellevue, Kentucky
Calvert City, Kentucky
Ewing, Kentucky
Smiths Grove, Kentucky
Alexandria, Louisiana
Coushatta, Louisiana
Leesville, Louisiana
Mandeville, Louisiana
Metairie, Louisiana
Trout, Louisiana
Durham, Maine
Falmouth, Maine
Lebanon, Maine
Baltimore, Maryland
Mechanicsville, Maryland
Fitchburg, Massachusetts
Reading, Massachusetts
West Barnstable, Massachusetts
East Tawas, Michigan
Fairfax, Minnesota
Minneapolis, Minnesota (2 reports)
Saint Cloud, Minnesota
Saint Paul, Minnesota
Madison, Mississippi
Marietta, Mississippi
Waynesboro, Mississippi
Brunswick, Missouri
Kansas City, Missouri
Colpitts Settlement, New Brunswick
Auburn, New Hampshire
Greenfield, New Hampshire
Bloomingdale, New Jersey
Caldwell, New Jersey
Fanwood, New Jersey
Roswell, New Mexico
Beacon, New York
Buffalo, New York
Cicero, New York
Croton On Hudson, New York
Hillsdale, New York
Orchard Park, New York
Pittsford, New York
Valley Stream, New York
East Bend, North Carolina
Elizabeth City, North Carolina
Graham, North Carolina
Greenville, North Carolina
Morehead City, North Carolina
New Bern, North Carolina
Winston Salem, North Carolina
Belfield, North Dakota
Medora, North Dakota
Cincinnati, Ohio (4 reports)
Columbus, Ohio
Dundee, Ohio
Franklin, Ohio
Granville, Ohio
Hamilton, Ohio
Kent, Ohio
Toledo, Ohio
Hulbert, Oklahoma
Jay, Oklahoma
Tulsa, Oklahoma
Dallas, Oregon
Portland, Oregon
Watsontown, Pennsylvania
Wilkes Barre, Pennsylvania
Wynnewood, Pennsylvania
Chapin, South Carolina
Conway, South Carolina
Murrells Inlet, South Carolina
Myrtle Beach, South Carolina
North Augusta, South Carolina
Saint Helena Island, South Carolina
Cordova, Tennessee
Greeneville, Tennessee
Kingsport, Tennessee
Knoxville, Tennessee
Pocahontas, Tennessee
Sweetwater, Tennessee
Austin, Texas
Baytown, Texas
Belton, Texas
Colmesneil, Texas
Fort Worth, Texas
Lufkin, Texas
Mc Kinney, Texas
Montgomery, Texas
Spring, Texas
Vidor, Texas
Willis, Texas
Winnsboro, Texas
Blacksburg, Virginia
Doswell, Virginia
Fairfax, Virginia
Stuarts Draft, Virginia
Bainbridge Island, Washington
Cle Elum, Washington
Kalama, Washington
North Sultan, Washington
Olympia, Washington (2 reports)
Liberty, West Virginia
Newell, West Virginia
Weston, West Virginia
Delavan, Wisconsin
Marion, Wisconsin
New Lisbon, Wisconsin
Oconomowoc, Wisconsin

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