Photo by Melody

PlantFiles: Daylily
Hemerocallis 'Siloam Irving Hepner'

Family: Hemerocallidaceae (hem-er-oh-kal-id-AY-see-ee) (Info)
Genus: Hemerocallis (hem-er-oh-KAL-iss) (Info)
Cultivar: Siloam Irving Hepner
Hybridized by Henry; Year of Registration or Introduction: 1990

» View all varieties of Daylilies

One vendor has this plant for sale.

2 members have or want this plant for trade.

12-18 in. (30-45 cm)

15-18 in. (38-45 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)

Flower Size:
Miniature (less than 3" diameter)

Blooming Habit:
Diurnal (diu.)
Extended (ext.)

Flower Type:

Bloom Color:

Color Patterns:

Flower Fragrance:
No fragrance

Foliage Habit:
Dormant (dor.)


Awards (if applicable):
Unknown - Tell us

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By DreamOfSpring
Thumbnail #1 of Hemerocallis  by DreamOfSpring

By DreamOfSpring
Thumbnail #2 of Hemerocallis  by DreamOfSpring

By Valerie412
Thumbnail #3 of Hemerocallis  by Valerie412

By Momof3bz
Thumbnail #4 of Hemerocallis  by Momof3bz

By MollyJane
Thumbnail #5 of Hemerocallis  by MollyJane

By DaylilySLP
Thumbnail #6 of Hemerocallis  by DaylilySLP

By DaylilySLP
Thumbnail #7 of Hemerocallis  by DaylilySLP

There are a total of 9 photos.
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2 positives
1 neutral
No negatives

Gardeners' Notes:

Positive MollyJane On Apr 16, 2010, MollyJane from Ravenna, OH wrote:

One of my favorite dark reds. I grow it in the dappled shade of a small tree, and the color stays deep and dark all day. Extended bloom season. It's a 20" plant with a 5-5.5" bloom that stands outl from a distance.

Positive DreamOfSpring On Jul 7, 2007, DreamOfSpring from Charleston, SC (Zone 9a) wrote:

I find that I am quite unexpectedly amazed at this cultivar. Photos just don't do it justice at all.

The color is difficult to describe since it changes throughout the day, so much so that for a time I thought I had 2 different daylilies. In the early morning the blooms are a vibrant grape/purple color with a large flourescent yellow/green throat. The morning color is quite breathtaking. Even the partially opened blooms are striking this time of day, Their pastel, almost white outsides constrasting beautifully against the dark burgandy/wine inside.

By early afternoon the blooms have faded to the more familiar dusty cranberry shown in most photos. At this point dark grape veins standout vividly as do the pale center ribs and the large yellow/green throat which, while still quite bright, has also faded a bit since morning.

By late evening the blooms may be a paler, dustier cranberry still. With its huge yellow/green throat and high bud count this one is quite outstanding. It is not the "shinking violet" type. The coloration is lovely in all of its variations though none quite so breathtaking as the early morning hues.

Neutral berrygirl On Mar 21, 2007, berrygirl from Braselton, GA (Zone 7b) wrote:

plant 20-24" apart. zone 3-9. Short 12-18". Individual flowers are long lasting. Extra large cranberry-grape 6" blooms have a yellow throat with a lime green center. Blooms - Early: June and Mid: July.


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

Sherwood, Arkansas
Granger, Indiana
Tuckerton, New Jersey
Mount Gilead, Ohio
Ravenna, Ohio
Portland, Oregon
Pittsburgh, Pennsylvania
Charleston, South Carolina
North Augusta, South Carolina
Marion, Wisconsin

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