Daylily
Hemerocallis 'Primal Scream'

Family: Hemerocallidaceae (hem-er-oh-kal-id-AY-see-ee)
Genus: Hemerocallis (hem-er-oh-KAL-iss)
Cultivar: Primal Scream
Hybridized by Hanson 1994

Height

24-36 in. (60-90 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

Bloom Color

Orange

Propagation Methods

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

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

Crispate (pinched, twisted or quilled floral segments)
Cascading (narrow curling or cascading segments)
Unusual Form

Blooming Habit

Diurnal (diu.)

Foliage Habit

Dormant (dor.)

Ploidy

Tetraploid

Color Patterns

Self

Awards (if applicable)

Stout Silver Medal
Lambert/Webster Award (or runner-up)
Award of Merit (or runner-up)
Honorable Mention

Patent Information

Non-patented

Foliage Color

Unknown

Bloom Characteristics

Unknown

Water Requirements

Average Water Needs; Water regularly; do not overwater

Where to Grow

Grow outdoors year-round in hardiness zone