Photo by Melody

PlantFiles: Lemon Lily, Custard Lily, Yellow Daylily
Hemerocallis flava

Family: Hemerocallidaceae (hem-er-oh-kal-id-AY-see-ee) (Info)
Genus: Hemerocallis (hem-er-oh-KAL-iss) (Info)
Species: flava (FLA-vuh) (Info)
Hybridized by Linn; Year of Registration or Introduction: 1762

Synonym:Hemerocallis lilioasphodelus

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23 members have or want this plant for trade.

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36-48 in. (90-120 cm)

18-24 in. (45-60 cm)
24-36 in. (60-90 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:
Early midseason (EM)
Midseason (M)

Flower Size:
Large (more than 4.5" diameter)

Blooming Habit:
Nocturnal (noc.)

Flower Type:

Bloom Color:
Bright Yellow

Color Patterns:

Flower Fragrance:
Slightly Fragrant

Foliage Habit:
Dormant (dor.)


Awards (if applicable):
Unknown - Tell us

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By bussied
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By Uladech
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By berrygirl
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By DaylilySLP
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There are a total of 10 photos.
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8 positives
2 neutrals
No negatives

Gardeners' Notes:

Neutral DebbieDooJ On May 25, 2013, DebbieDooJ from Verona, NY wrote:

I had a very large patch of lemon lilies in my front yard. They had multiplied very well up until last spring when they failed to come up! They have also failed to come up again this year. What could have happened to them?? They are about 12-14 feet from the road. Could they have been killed by salt being scooped from the road by a snowplow? Thank you for your help!!

Positive OldHouseGardens On Dec 3, 2009, OldHouseGardens from Ann Arbor, MI wrote:

The true lemon lily, H. lilioasphodelus, formerly H. flava, is a treasure -- slender, graceful, very early-blooming, and fragrant -- but it doesn't have the great vigor of the old orange daylily and most modern daylilies. "Linnn 1762" means it was named by Linnaeus in 1762, but it dates back to at least 1570 in gardens.

Positive hyer1972 On May 18, 2007, hyer1972 from Weston, WV (Zone 6b) wrote:

Found info on this Hemerocallis!
Hybridizer - Linn 1762
one of the very first daylillies to be registered on the AHS site!

Positive berrygirl On Apr 21, 2006, berrygirl from Braselton, GA (Zone 7b) wrote:

This is my first daylily to bloom each Spring. It just opened 2 blooms today. At lunch they were closed and a few hours later they were opened- amazing!! I love the smell and they are absolutely fool-proof plants and so care-free. Mine are beginning to multiply this year.

Positive SW_gardener On Mar 14, 2006, SW_gardener from (Zone 6a) wrote:

This daylily has a lovely scent and and clear lemon colour.
Grows well in sun or part shade. Flowers early summer.

Positive rutholive On Feb 5, 2006, rutholive from Tonasket, WA (Zone 5a) wrote:

I have grown this particular hemerocallis for at least 50 years. Always very early, very fragrant, nice lemon yellow flower. I can't find it listed in my Hemorcallis Check List for 1893 to July 1, 1957. I do know it was introduced many many years ago. Don't know why it isn't in the checklist. I listed it in my catalog as Lemon Lily, liliasphodelus. Now I worry about what the correct spelling and name for this very fragrant daylily really is. DonnaS

Neutral echoes On Nov 8, 2004, echoes from South of Winnipeg, MB (Zone 3a) wrote:

Hemerocallis lilioasphodelus syn. flava is a very early blooming species daylily. It's flowers are a light yellow, funnel-shaped, 7- 8 cm long and are sweetly scented. Scapes have 6-9 flowers. Spreads underground. It can be propagated by division or seed (not pollinated with other varieties of daylilies). May be known as an heirloom, but heirloom does not necessarily mean species.

Positive jhyshark On Jun 28, 2004, jhyshark from Scottville, MI (Zone 4b) wrote:

One of my favorites of all the old or new lilies. The clear yellow color with no hint of gold is just perfect, and lights up any space.

Positive Dan_Brown On May 23, 2004, Dan_Brown from Elm Grove, LA wrote:

This is one of my first daylilies to bloom and is in full force now and a bit behind is another heirloom orange variety that does well in this area. I dug both of these up from abandoned home sites and they are all in bad need of separating, as are my irises. I enjoy cut daylilies as I have discovered that they will contnue to open in succession if you keep the water fresh and remove the spent blossoms daily. I have never noticed much scent however as mentioned above in these heirloom ones I have.
Blessed, Dan Brown, Elm Grove, LA

Positive Terry On Jan 17, 2003, Terry from Murfreesboro, TN (Zone 7a) wrote:

A fragrant daylily species, the scent is lemon-y; blooms are clear yellow.


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

Glen Avon, California
Ocean View, Delaware
Braselton, Georgia
Cordele, Georgia
Wrens, Georgia
Waterman, Illinois
Macy, Indiana
Hanson, Kentucky
Salvisa, Kentucky
Elm Grove, Louisiana
Lisbon, Maine
Raymond, Maine
Beverly, Massachusetts
Ann Arbor, Michigan
Dearborn Heights, Michigan
Owosso, Michigan
Pinconning, Michigan
Scottville, Michigan
Troy, Missouri
Polson, Montana
Freehold, New Jersey
Metuchen, New Jersey
Fleischmanns, New York
Verona, New York
Bucyrus, Ohio
Glouster, Ohio
Hamilton, Ohio
Nashport, Ohio
Sherwood, Oregon
Osceola, Pennsylvania
North Augusta, South Carolina
East Dover, Vermont
Kalama, Washington
La Conner, Washington
Ellsworth, Wisconsin
Oconomowoc, Wisconsin

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