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Long-cupped Narcissus, Large-cupped Daffodil 'Professor Einstein'

Narcissus

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Family

Amaryllidaceae (am-uh-ril-id-AY-see-ee)

Info

Genus

Narcissus (nar-SIS-us)

Info

Synonym

Hybridized

Lefeber

Registered or introduced

pre 1946

Height

18-24 in. (45-60 cm)

Spacing

3-6 in. (7-15 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)

Sun Exposure

Sun to Partial Shade

Light Shade

Danger

Parts of plant are poisonous if ingested

Bloom Color

Red-Orange

White/Near White

Bloom Time

Late Winter/Early Spring

Foliage

Herbaceous

Other Details

Other details

Unknown - Tell us

Propagation Methods

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

Seed Collecting

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Soil pH requirements

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Patent Information

Unknown - Tell us

Division

Division 2 - Large-cupped

Foliage Color

Unknown - Tell us

Bloom Characteristics

Flowers are good for cutting

Flowers are fragrant

Water Requirements

Average Water Needs; Water regularly; do not overwater

Where to Grow

Unknown - Tell us

Regional

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

Tuskegee, Alabama

GARBERVILLE, California

Denver, Colorado

Loveland, Colorado

Cordele, Georgia

Silver Spring, Maryland

Dracut, Massachusetts

Raymond, Mississippi

Lincoln, Nebraska

Sparks, Nevada

Syracuse, New York

Morehead City, North Carolina

Washington, North Carolina

Malvern, Pennsylvania

Meshoppen, Pennsylvania

Fate, Texas

Newport News, Virginia

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Gardener's Notes:

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DaylilySLP

Dearborn Heights, MI (Zone 6a) | May 2015 | neutral

Award(s)
AM Haarlem 1955
FCC Haarlem 1957

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Long-cupped Narcissus, Large-cupped Daffodil 'Professor Einstein'

Narcissus

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