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

Division:
Division 2 - Large-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:
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:
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:
Bloom Characteristics:
Flowers are good for cutting
Flowers are fragrant
Water Requirements:
Average Water Needs; Water regularly; do not overwater
Where to Grow:
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
show allGardeners' Notes:
Rating | Content |
---|---|
Neutral | On May 4, 2015, DaylilySLP from Dearborn Heights, MI (Zone 6a) wrote: Award(s) |