Daylily
Hemerocallis 'Cold Cold Heart'

Family: Hemerocallidaceae (hem-er-oh-kal-id-AY-see-ee)
Genus: Hemerocallis (hem-er-oh-KAL-iss)
Cultivar: Cold Cold Heart
Hybridized by Warrell 2004

Height

24-36 in. (60-90 cm)

Spacing

24-36 in. (60-90 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

Bloom Color

Rose/Mauve
Lavender

Propagation Methods

By dividing the rootball

Soil pH requirements

6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Flower Fragrance

No fragrance

Bloom Time

Late Midseason (MLa)

Flower Size

Large (more than 4.5" diameter)

Flower Type

Single

Blooming Habit

Diurnal (diu.)

Foliage Habit

Dormant (dor.)

Ploidy

Diploid

Color Patterns

Watermark
Edge

Awards (if applicable)

Unknown

Patent Information

Unknown

Foliage Color

Unknown

Bloom Characteristics

Unknown

Water Requirements

Unknown

Where to Grow

Unknown