Daylily
Hemerocallis 'Ruby Throat'

Family: Hemerocallidaceae (hem-er-oh-kal-id-AY-see-ee) (Info)
Genus: Hemerocallis (hem-er-oh-KAL-iss) (Info)
Cultivar: Ruby Throat
Hybridized by Griesbach-Klehm
Registered or introduced: 1979
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Height:

18-24 in. (45-60 cm)

Spacing:

18-24 in. (45-60 cm)

Hardiness:

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:

Non-patented

Propagation Methods:

By dividing the rootball

Bloom Time:

Late Midseason (MLa)

Flower Size:

Large (more than 4.5" diameter)

Blooming Habit:

Diurnal (diu.)

Flower Type:

Single

Bloom Color:

Scarlet (Dark Red)

Color Patterns:

Self

Flower Fragrance:

No fragrance

Foliage Habit:

Dormant (dor.)

Ploidy:

Tetraploid

Awards (if applicable):

Unknown - Tell us

Regional

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

Lexington, Kentucky

Durham, Maine

Garden City, Michigan

Excelsior, Minnesota

Medina, New York

Shelby, North Carolina

Pittsburgh, Pennsylvania

Mechanicsville, Virginia

Bothell, Washington

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Gardeners' Notes:

1
positive
1
neutral
0
negatives
RatingContent
Positive

On Jan 25, 2009, Mainer from Durham, ME (Zone 3a) wrote:

I love the velvety texture of this red and it is hardyand vigorous and has many blooms in my zone.

Neutral

On Jan 30, 2003, mystic from Ewing, KY (Zone 6a) wrote:

5" blooms, 21" scapes, red self, Griesbach-Klehm 1979