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Daylily 'Roman Empire'

Hemerocallis

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Family

Hemerocallidaceae (hem-er-oh-kal-id-AY-see-ee)

Info

Genus

Hemerocallis (hem-er-oh-KAL-iss)

Info

Synonym

Height

Unknown - Tell us

Spacing

24-36 in. (60-90 cm)

Hardiness

18-24 in. (45-60 cm)

24-36 in. (60-90 cm)

Sun Exposure

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)

USDA Zone 10a: to -1.1 °C (30 °F)

USDA Zone 10b: to 1.7 °C (35 °F)

Bloom Color

Full Sun

Sun to Partial Shade

Bloom Time

Unknown - Tell us

Height

Unknown - Tell us

Spacing

Unknown - Tell us

Sun Exposure

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Danger

Hardiness

Bloom Color

Bloom Time

Foliage

No fragrance

Bloom Time

Bloom Color

Bloom Time

Class

Bloom Time

Bloom Color

Class

Bloom Color

Bloom Time

Other Details

Propagation Methods

Unknown - Tell us

Soil pH requirements

Bright Yellow

Flower Fragrance

Unknown - Tell us

Flower Size

Unknown - Tell us

Flower Type

By dividing the rootball

Blooming Habit

Foliage Habit

Ploidy

Color Patterns

Awards (if applicable)

Unknown - Tell us

Patent Information

Unknown - Tell us

Foliage Color

Unknown - Tell us

Bloom Characteristics

Water Requirements

Where to Grow

Seed Collecting

Fruit Shape

Fruit Size

Fruit Colors

Growing Habit

Days to Maturity

Seed Type

Usage

Disease Resistance

Leaf Type

Foliage Color

Bloom Characteristics

Water Requirements

Where to Grow

Other details

Propagation Methods

Early midseason (EM)

Reblooming (Re)

Soil pH requirements

Unknown - Tell us

Patent Information

Large (more than 4.5" diameter)

Plant Size (check one)

Single

Growing Habit

Diurnal (diu.)

Growth Rate

Semi-evergreen (sev.)

Leaf Shape

Tetraploid

Leaf Appearance

Self

Degree to which the appearance is present

Unknown - Tell us

Leaf Texture (top)

Unknown - Tell us

Leaf Texture (bottom)

Leaf Color

Color of Leaf Margin

Leaf Substance

Number of Vein Pairs

Appearance of Margin

Non-patented

Margin Width

Flower Shape

Flower Fragrance

Does it set seed?

Flower Size

Flower Type

Blooming Habit

Foliage Habit

Ploidy

Color Patterns

Awards (if applicable)

Unknown - Tell us

Gardener's Notes:

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positive

neutral

negative

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rdeen

Stone Ridge, NY | June 2009 | positive

Extremely beautiful: luminous blend of yellow, some pink, green throat, very large flowers, lots of scapes, rapid increase. Outstanding!

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