Daylily 'Primal Scream'

Hemerocallis

Family
Hemerocallidaceae (hem-er-oh-kal-id-AY-see-ee)
Genus
Hemerocallis (hem-er-oh-KAL-iss)
Synonym
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
Bloom Time
Late Midseason (MLa)
Other Details
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
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
Bloom Characteristics
Water Requirements
Average Water Needs; Water regularly; do not overwater
Where to Grow
Grow outdoors year-round in hardiness zone
Regional

This plant is said to grow outdoors in the following regions:

San Jose, California

Fort Lauderdale, Florida

Athens, Georgia

Coatesville, Indiana

Solsberry, Indiana

Iowa City, Iowa

Topeka, Kansas

Hazard, Kentucky

Hebron, Kentucky

South Berwick, Maine

Linthicum Heights, Maryland

Randallstown, Maryland

Hatfield, Massachusetts

Dearborn Heights, Michigan

Hillsdale, Michigan

Waynesboro, Mississippi

Cut Bank, Montana

Elizabeth City, North Carolina

Felicity, Ohio

Grove City, Ohio

Ravenna, Ohio

Medford, Oregon

Christiana, Tennessee

Kalama, Washington

Dallas, Wisconsin

Madison, Wisconsin

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Featured Videos

Gardener's Notes:

3
positives
2
neutrals
0
negative
Sort By:
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G
Randallstown, MD | June 2016 | neutral

This one is definitely NOT overhyped! Don't listen to a grower that doesn't have it to sell. Several years ago I visited a commercial day...Read More

D
Dearborn Heights, MI (Zone 6a) | October 2013 | positive

Orange tangerine self with green throat.
(Tangerine Parfait × Mauna Loa)

AHS has announced 'Primal Scream' has won...Read More

P
Newport, RI | March 2012 | neutral

A nice orange,nice form but over hypted.There are other daylilies with bold orange flowers that are less expensive and easy to find.Don't...Read More

K
Ravenna, OH (Zone 5b) | July 2010 | positive

Beautiful dalily and very vibrant. Does ok for me. Quite a slow grower for me though. I don't know why. It's the second year in the groun...Read More

B
Hillsdale, MI (Zone 5b) | September 2004 | positive

Primal scream is very hardy mine had 4 way branching and 22 buds in its first year. Multiplies fast. Not many photos can capture its tr...Read More

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