Photo by Melody

PlantFiles: Daylily
Hemerocallis 'Black Eyed Susan'

Family: Hemerocallidaceae (hem-er-oh-kal-id-AY-see-ee) (Info)
Genus: Hemerocallis (hem-er-oh-KAL-iss) (Info)
Cultivar: Black Eyed Susan
Hybridized by Stevens; Year of Registration or Introduction: 1983

» View all varieties of Daylilies

2 vendors have this plant for sale.

10 members have or want this plant for trade.

24-36 in. (60-90 cm)

18-24 in. (45-60 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
Bright Yellow

Color Patterns:

Flower Fragrance:
No fragrance

Foliage Habit:
Dormant (dor.)


Awards (if applicable):
Honorable Mention

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By mystic
Thumbnail #1 of Hemerocallis  by mystic

By mystic
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By mystic
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By carolann
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There are a total of 23 photos.
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3 positives
1 neutral
No negatives

Gardeners' Notes:

Positive mbabbitt On Jun 7, 2011, mbabbitt from Bothell, WA wrote:

This plant blooms its heart out in my front yard where it gets full sun till about 5 in the evening. In 6 years, it has yet to disappoint. In my yard, it blooms from July to early August, with a little rebloom. I wish all daylilies were as profuse and dependable as Black Eyed Susan. I give it a dose of 4-10-10 every March to get it started.

Positive sybiltwo On Mar 14, 2005, sybiltwo from Excelsior, MN (Zone 4a) wrote:

This one is one of my most consistant rebloomers here in my zone 4 garden. It is one of the first to bloom and one of the last to still be blooming. It's a regular "Energizer Bunny".

Neutral carolann On Nov 2, 2003, carolann from Auburn, NH wrote:

Stevens - 5.5" bright yellow bloom with red/purple eye, mid-season bloom, 26" scapes, dormant, tet

Positive mystic On Jul 1, 2003, mystic from Ewing, KY (Zone 6a) wrote:

Last year was the first year for me with this one. I liked it then but really love it this year it's been a good bloomer. The color has more of a orange tint to it this year. Could be the weather we have had this year.


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

Loveland, Colorado
Norwich, Connecticut
Trenton, Florida
Ewing, Kentucky
Coushatta, Louisiana
Durham, Maine
Linthicum Heights, Maryland
Revere, Massachusetts
Gladwin, Michigan
Excelsior, Minnesota
Minneapolis, Minnesota
Auburn, New Hampshire
Munsonville, New Hampshire
Ravenna, Ohio
Linden, Virginia
Penhook, Virginia
Richmond, Virginia
Bothell, Washington
Kalama, Washington
Marion, Wisconsin
Tomah, Wisconsin
Casper, Wyoming

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