Photo by Melody

PlantFiles: Giant Spider Lily, Queen Emma Lily
Crinum augustum

Family: Amaryllidaceae (am-uh-ril-id-AY-see-ee) (Info)
Genus: Crinum (KRY-num) (Info)
Species: augustum (aw-GUS-tum) (Info)

Synonym:Crinum amabile

2 vendors have this plant for sale.

21 members have or want this plant for trade.

Ponds and Aquatics

18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

24-36 in. (60-90 cm)

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)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Sun to Partial Shade
Light Shade

Parts of plant are poisonous if ingested

Bloom Color:

Bloom Time:
Late Spring/Early Summer
Mid Summer


Other details:
Very high moisture needs; suitable for bogs and water gardens

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:
Seed does not store well; sow as soon as possible

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By palmbob
Thumbnail #1 of Crinum augustum by palmbob

By KashtanGeorge
Thumbnail #2 of Crinum augustum by KashtanGeorge

By DanKistner
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Thumbnail #6 of Crinum augustum by plantcityplants


3 positives
No neutrals
No negatives

Gardeners' Notes:

Positive smurfwv On Jun 8, 2012, smurfwv from Cabin Creek, WV (Zone 6a) wrote:

I wanted to clear up the heigth and with information, its incorrect. Queen emma can get over 6 feet tall and 8 feet wide, with flower spikes 6 feet tall. This plant should be spaced 4-6 feet apart.

Positive Code3 On Aug 25, 2011, Code3 from Huntington Beach, CA wrote:

Does very well in Southern California. I have mine planted in full sun in coastal area of Huntington Beach, CA.

Positive nefertiti58 On May 17, 2011, nefertiti58 from Yuma, AZ wrote:

This plant has been in my family for 45 years or more, my Dad had the plants and most of us kids now have them too, We live in Arizona
and it gets super hot here ,the plants i have reach to 7 feet or taller I
did not know they could get this big until I grew mine no one else here
has ever got theirs to grow this big! It produces babies like crazy I am always giving them away...I have 20 adult plants that all bloom, mine also start blooming as young plants...I love these plants they grow great in arizona,best in part shade...such a pretty bloom they give! On the list where they grow I did not see arizona, yes they grow in Yuma ,Az one of the hottest places in AZ.


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

Yuma, Arizona
Huntington Beach, California
Cape Coral, Florida
Dunes Road, Florida
Gainesville, Florida
Haverhill, Florida
Indian Harbour Beach, Florida
Jacksonville, Florida
Jan Phyl Village, Florida
Oak Ridge, Florida
Ocala, Florida
Pine Hills, Florida
Plant City, Florida
Port Charlotte, Florida (2 reports)
Sewall's Point, Florida
St Petersburg, Florida
Tampa, Florida
Valrico, Florida
Brunswick, Georgia
Hilo, Hawaii
Honomu, Hawaii
Kailua Kona, Hawaii
Kapaa, Hawaii
New Orleans, Louisiana
Old Jefferson, Louisiana
Elizabeth City, North Carolina
Philadelphia, Pennsylvania
Cayce, South Carolina
East Sumter, South Carolina
Alma, Texas
Bryan, Texas
College Station, Texas
Galveston, Texas (2 reports)
Houston, Texas
Rockport, Texas
San Antonio, Texas
Spring, Texas
Cabin Creek, West Virginia

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