Photo by Melody

PlantFiles: Hymenocallis, Spider Lily, Ismene
Ismene 'Sulphur Queen'

Family: Amaryllidaceae (am-uh-ril-id-AY-see-ee) (Info)
Genus: Ismene (iz-me-nee) (Info)
Cultivar: Sulphur Queen

Synonym:Hymenocallis spofforthiae

2 vendors have this plant for sale.

10 members have or want this plant for trade.

Tropicals and Tender Perennials

Unknown - Tell us

12-15 in. (30-38 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

All parts of plant are poisonous if ingested

Bloom Color:
Pale Yellow

Bloom Time:
Late Spring/Early Summer
Mid Summer


Other details:
Flowers are fragrant
This plant is suitable for growing indoors
Average Water Needs; Water regularly; do not overwater

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

Click thumbnail
to view:

By Baa
Thumbnail #1 of Ismene  by Baa

By wallaby1
Thumbnail #2 of Ismene  by wallaby1

By Shirley1md
Thumbnail #3 of Ismene  by Shirley1md

By Strever
Thumbnail #4 of Ismene  by Strever

By wallaby1
Thumbnail #5 of Ismene  by wallaby1

By wallaby1
Thumbnail #6 of Ismene  by wallaby1

By PerennialGirl
Thumbnail #7 of Ismene  by PerennialGirl

There are a total of 27 photos.
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3 positives
1 neutral
No negatives

Gardeners' Notes:

Positive lancer23 On Dec 30, 2013, lancer23 from San Francisco, CA wrote:

I kind of misplace this plant. I planted outside and maybe moved it once the bulb went dormant. Its also called Peruvian Daffodil but its more tropical looking and scented!

Update: It was hiding under a rock, and I found it again! Snail chew it up but what a relieved that it didn't get stolen and fall into bad hands. I was so sad that I bough a white replacement already. Now I have 2, yeah.

Positive vossner On Aug 16, 2013, vossner from Richmond, TX (Zone 9a) wrote:

Very easy plant in my z9a garden. Planted inground, partial sun and good access to sprinkler. I have not detected fragrance. I plan to get some more as a patch would be very striking.

Positive ebk777 On Aug 14, 2013, ebk777 from Chilliwack
Canada wrote:

I bought the plant as a bulb and grew it in a pot, in Chilliwack, BC. It grew vigorously and was very healthy. The flowers were quite different, being a pale yellow with green stripes, that blended well with the color of the foliage.The feature that really impressed me was the delicate fragrance throughout the small backyard garden. I was going to plant it in the garden in the Fall, but since it is temperature sensitive, I will store it in my garage. I am looking to buy more, just for the fragrance.

Neutral Baa On Aug 8, 2002, Baa wrote:

Sulphur Queen is a cross between Hymenocallis amancaes and H. narcissiflora.

Has strap-shaped or oblong, dark green leaves. Bears up to 6, soft yellow, green striped, large flowers which have a strong fragrance.

Flowers anywhere between May-July but the flowers are very short lived lasting only a few days each.

Loves a moist but well-drained soil in sun or partial shade. It won't stand temperatures much lower than 55F even when dormant so best grown indoors.

Water well when in growth but keep dry when dormant.

Plant the bulbs so the neck is above soil level.


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

Graysville, Alabama
San Francisco, California
Port Saint Lucie, Florida
Elizabeth City, North Carolina
Austin, Texas (2 reports)
Houston, Texas
Richmond, Texas

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