Photo by Melody

PlantFiles: Summer Snowflake, Snowbell, Dewdrop
Leucojum aestivum 'Gravetye Giant'

Family: Amaryllidaceae (am-uh-ril-id-AY-see-ee) (Info)
Genus: Leucojum (LOO-koh-jum) (Info)
Species: aestivum (EE-stiv-um) (Info)
Cultivar: Gravetye Giant

2 vendors have this plant for sale.

23 members have or want this plant for trade.


12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

6-9 in. (15-22 cm)
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)

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

All parts of plant are poisonous if ingested

Bloom Color:
White/Near White

Bloom Time:
Late Spring/Early Summer


Other details:
Average Water Needs; Water regularly; do not overwater
This plant is resistant to deer
Flowers are good for cutting

Soil pH requirements:
Unknown - Tell us

Patent Information:

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

Seed Collecting:
Unknown - Tell us

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There are a total of 12 photos.
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3 positives
1 neutral
No negatives

Gardeners' Notes:

Neutral coriaceous On Apr 1, 2014, coriaceous from ROSLINDALE, MA wrote:

This is a particularly robust form of the species, first found at Gravetye Manor, garden of the 19th century English horticultural giant, William Robinson.

It is larger, taller, and more vigorous than the species, and with larger flowers.

I've read that almost all Leucojum aestivum in commercial production is actually this form, even if not so labeled.

Like the species, it blooms in mid-late daffodil season, in April here in Boston (Z6a). In the deep south, it may begin blooming in early winter.

Easy and adaptable, it prefers more moisture than most spring bulbs, and tolerates summer irrigation. Summer snowflakes perform well in moist areas like the edges of streams and ponds. They also tolerate deciduous shade.

Easily available from mail order vendors of fall bulbs.

Positive chuckmemphis On May 14, 2010, chuckmemphis from Germantown, TN wrote:

Here in TN these freely self seed and can create an astonishing clump in just a few years. From my initial planting of 3 bulbs 5 years ago, I now have about 12 clumps that usually put up 50-75 stalks in Late March, Early April.
Easy to divide and share, all grow true from seed, if pods are left on plants.

Positive robcorreia On May 12, 2009, robcorreia from San Diego, CA (Zone 10b) wrote:

These plants come back every year for me here in San Diego, zone 10. They bloom throughout the winter. In warm weather they "die down". I tie-up the leaves in a neat knot and only cut them off when they are totally yellow. They kind of "disappear" during the season, and start leafing out again in late fall.
Lovely and a prolific bloomer!

Positive pokerboy On Jan 30, 2005, pokerboy from Canberra
Australia (Zone 8b) wrote:

This snowflake bears up to eight white, green tipped bells anytime from early Spring to late Spring. Another spectacular bulb. pokerboy.


This plant has been said to grow in the following regions:

San Diego, California
Clifton, Colorado
Divernon, Illinois
Shawnee Mission, Kansas
Brunswick, Maine
Gaithersburg, Maryland
Roslindale, Massachusetts
Salem, Massachusetts
Brighton, Michigan
Dunn, North Carolina
Raleigh, North Carolina
Norristown, Pennsylvania
Conway, South Carolina
Germantown, Tennessee
Austin, Texas
Clarksville, Texas
Mont Belvieu, Texas
Richmond, Texas
San Antonio, Texas
Vancouver, Washington
Great Cacapon, West Virginia

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