Species Daylily, Lemon Lily, Custard Lily, Yellow Daylily

Hemerocallislilioasphodelus

Family
Hemerocallidaceae (hem-er-oh-kal-id-AY-see-ee)
Genus
Hemerocallis (hem-er-oh-KAL-iss)
Species
lilioasphodelus (lil-ee-oh-as-foh-DEL-us)
Synonym
Cameraria lilioasphodelus
Hemerocallis flava
Hemerocallis lutea
Spacing
36-48 in. (90-120 cm)
Hardiness
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Sun Exposure
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)
Bloom Color
Full Sun
Sun to Partial Shade
Bloom Time
Other Details
Propagation Methods
Soil pH requirements
Bright Yellow
Flower Fragrance
Flower Size
Flower Type
By dividing the rootball
Blooming Habit
Foliage Habit
Color Patterns
Awards (if applicable)
Patent Information
Foliage Color
Bloom Characteristics
Water Requirements
Where to Grow
Regional

This plant is said to grow outdoors in the following regions:

Glen Avon, California

Pedley, California

Rubidoux, California

Sunnyslope, California

Ocean View, Delaware

Braselton, Georgia

Cordele, Georgia

Wrens, Georgia

Waterman, Illinois

Hanson, Kentucky

Salvisa, Kentucky

Elm Grove, Louisiana

Lisbon, Maine

Raymond, Maine

Beverly, Massachusetts

Ann Arbor, Michigan

Brighton, 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

Laurens, South Carolina

North Augusta, South Carolina

East Dover, Vermont

Kalama, Washington

La Conner, Washington

Ellsworth, Wisconsin

Oconomowoc, Wisconsin

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Gardener's Notes:

8
positives
2
neutrals
0
negative
Sort By:
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D
Verona, NY | May 2013 | neutral

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...Read More

O
Ann Arbor, MI (Zone 6a) | December 2009 | positive

The true lemon lily, H. lilioasphodelus, formerly H. flava, is a treasure -- slender, graceful, very early-blooming, and fragrant -- but ...Read More

H
Weston, WV (Zone 6b) | May 2007 | positive

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

B
Lakemont, GA (Zone 8a) | April 2006 | positive

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 o...Read More

S
(Zone 6a) | March 2006 | positive

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

R
Tonasket, WA (Zone 5a) | February 2006 | positive

I have grown this particular hemerocallis for at least 50 years. Always very early, very fragrant, nice lemon yellow flower. I can't ...Read More

E
E
| November 2004 | neutral

Hemerocallis lilioasphodelus syn. flava is a very early blooming species daylily. It's flowers are a light yellow, funnel-shaped, 7- 8 c...Read More

J
Scottville, MI (Zone 4b) | June 2004 | positive

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.

D
Elm Grove, LA | May 2004 | positive

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...Read More

T
T
Murfreesboro, TN (Zone 7a) | January 2003 | positive

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

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