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

Family: Amaryllidaceae (am-uh-ril-id-AY-see-ee) (Info)
Genus: Narcissus (nar-SIS-us) (Info)
Cultivar: Professor Einstein
Hybridized by Lefeber
Registered or introduced: pre 1946
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Division:

Division 2 - Long-cupped

Height:

18-24 in. (45-60 cm)

Spacing:

3-6 in. (7-15 cm)

Bloom Time:

Late Winter/Early Spring

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

Foliage:

Herbaceous

Other details:

Unknown - Tell us

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

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

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 has been said to grow in the following regions:

,

Tuskegee, Alabama

Garberville, California

Denver, Colorado

Loveland, Colorado

Cordele, Georgia

Silver Spring, Maryland

Dracut, Massachusetts

Raymond, Mississippi

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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Gardeners' Notes:

0
positives
1
neutral
0
negatives
RatingContent
Neutral

On May 4, 2015, DaylilySLP from Dearborn Heights, MI (Zone 6a) wrote:

Award(s)
AM Haarlem 1955
FCC Haarlem 1957