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Daylily '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
Registered or introduced: 1990
» View all varieties of Daylilies


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

By dividing rhizomes, tubers, corms or bulbs (including offsets)

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

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Unknown - Tell us

Where to Grow:

Unknown - Tell us


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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Gardeners' Notes:


On Jul 27, 2015, DaylilySLP from Dearborn Heights, MI (Zone 6a) wrote:

Bright purple self with green throat.


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.


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... read more


On Mar 21, 2007, berrygirl from Braselton, GA (Zone 8a) 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.