Family: Hemerocallidaceae
(hem-er-oh-kal-id-AY-see-ee) Genus: Hemerocallis (hem-er-oh-KAL-iss) Cultivar: Primal Scream Hybridized by Hanson 1994
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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 SunSun to Partial Shade Bloom Color OrangePropagation Methods By dividing the rootballBy 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 fragranceBloom 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 TetraploidColor Patterns SelfAwards (if applicable) Stout Silver MedalLambert/Webster Award (or runner-up) Award of Merit (or runner-up) Honorable Mention Patent Information Non-patentedFoliage Color UnknownBloom Characteristics UnknownWater Requirements Average Water Needs; Water regularly; do not overwaterWhere to Grow Grow outdoors year-round in hardiness zone |