Photo by Melody

PlantFiles: Double Flowering Tuberose, Rajanigandha
Polianthes tuberosa 'The Pearl'

Family: Agavaceae (ah-gav-AY-see-ee) (Info)
Genus: Polianthes (pol-ee-AN-theez) (Info)
Species: tuberosa (too-ber-OH-suh) (Info)
Cultivar: The Pearl

6 vendors have this plant for sale.

44 members have or want this plant for trade.


18-24 in. (45-60 cm)

3-6 in. (7-15 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)

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Mid Summer
Late Summer/Early Fall


Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
5.6 to 6.0 (acidic)
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:
Unknown - Tell us

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There are a total of 19 photos.
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4 positives
3 neutrals
No negatives

Gardeners' Notes:

Neutral vidyasudhi On May 15, 2013, vidyasudhi from Phoenix, AZ wrote:

I am looking for this plant for a long long time. I consider this plant as one of my childhood buddy. Now I live Phoenix Az. Can somebody help me giving the names or the places from where I can buy these tubers?I want to try planting them here and will let you know if I succeeded. Thanks.

Positive pieohmy On Oct 3, 2008, pieohmy from Independence, LA (Zone 8b) wrote:

While the foliage and flowers are pretty the scent alone is worth having this plant. The scent is stronger and travels farther at night. I can smell them throughout my yard in the evening.

They start to bloom here in zone 8b in early October. They go dormant in the winter here and come up a little later than most plants in the spring. The foilage is only about 1 foot tall but the flower spikes are about 3 feet tall. The flower spikes surprised me in how long they take to finally bloom. It seemed like weeks before I finally got to see the blooms for the first time. The plant sends the stalk up and then the buds slowly form. They get bigger and bigger everyday and just when you think something is wrong the buds start to open from the bottom one at a time over the span of a couple of weeks. Well worth the wait.

Positive SteveLloyd941 On Sep 16, 2008, SteveLloyd941 from Frederick, MD wrote:

I live in Frederick, MD and planted these tubers in late May. I tried three locations: one that gets afternoon sun only, another that gets mid-day sun, and one that gets sun from mid-morning to mid-afternoon. (This was because I'd been given conflicting advice as to where to plant them.) The latter planting (mid-morning to mid-afternoon sun) gave the best results: healthy foliage with flowers starting about two weeks ago (early Sept.). The mid-day (only) planting has no flowers, but healthy foliage. The afternoon-sun planting has also flowered and appears healthy. The scent has not been strong during daylight, but I haven't been home in the evening to check out the scent then. The flowers are ivory and waxy, and the scent, while pleasant, is like a heavy perfume. I did notice that during August, all three locations showed signs of wilting during a brief heat wave. I'd been told they were drought-tolerant, but that was not my experiecne. I'm hoping they survive their first winter is I mulch them heavily. As a "control" group, I will lift a few and replant in late spring.

Neutral grovespirit On Nov 8, 2006, grovespirit from Sunset Valley, TX (Zone 9a) wrote:

This plant has lovely, highly fragrant flowers. It is moderately drought tolerant. Unluckily though, it hates wet feet. We had severe torrential raining and flooding (42 days- longer than Noah had to deal with.) Despite being in a well drained planter on a pedestal, my tuberoses got mild root rot. Surprisingly, they still bloomed! Fragrance and flower size were somewhat reduced though.

I've dug, cleaned and dipped the tubers in Clorox to kill fungi and will try again. If the weather gets wet, I'll put a Hefty bag over the planter!

Positive zoom8 On Jun 16, 2005, zoom8 from Pine Grove, LA wrote:

upon adding manure to a new flower bed, a clump of lilly-looking leaves appeared-----tuberose!! & NO idea how they got there. when blooming, they fill the evening w/hypnotic sweet scent--very stong. the oil is very expensive & lore has it, if a young woman smelled the tuberose's scent, she would be romantically inclined !!! i will separate the expanding clumps after blooming this year as they have spread wonderfully. we'll get to enjoy their scent all over the yard!

Positive MissPrimrose On Oct 6, 2003, MissPrimrose from Lowell, MA wrote:

This plant is very showy and fragrant. I grow it in containers and take to the basement in the winter. Water once a month and move outdoors in the spring!

Neutral Terry On May 28, 2001, Terry from Murfreesboro, TN (Zone 7a) wrote:

'The Pearl' produces 2-5 flower stems per plant, with 20 or more double, rose-like, creamy white, flowers on a stem.

Lots of tubular, super fragrant, white blossoms with incredibly thick, waxy substance bloom on top of stems.

If the bulbs are planted in the spring, they bloom in late summer. However, where they can overwinter, they bloom in early summer and the flowers last an exceptionally long time.

Bulbs can be started indoors for early bloom. A Victorian favorite; used pre-1600s


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

New Market, Alabama
Cotati, California
Escondido, California
Oakhurst, California
Pomona, California
Redwood City, California
Sacramento, California
Seaside, California
Spring Valley, California
Atlantic Beach, Florida
Brooksville, Florida
Cocoa, Florida
Deland, Florida (2 reports)
Fort Lauderdale, Florida
Jacksonville, Florida
Zephyrhills, Florida
Braselton, Georgia
Maysville, Georgia
Holualoa, Hawaii
Wahiawa, Hawaii
Chicago, Illinois
Divernon, Illinois
Dubuque, Iowa
Baton Rouge, Louisiana
Independence, Louisiana
Kenner, Louisiana
Simmesport, Louisiana
Frederick, Maryland
Lowell, Massachusetts
Royal Oak, Michigan
Carriere, Mississippi
Moss Point, Mississippi
Jefferson City, Missouri
Roswell, New Mexico
Averill Park, New York
Elizabeth City, North Carolina
Lenoir, North Carolina
Norristown, Pennsylvania
Pittsburgh, Pennsylvania
Columbia, South Carolina
Myrtle Beach, South Carolina
Summerville, South Carolina
Maryville, Tennessee
Broaddus, Texas
Cibolo, Texas
Colmesneil, Texas
Desoto, Texas
Fort Worth, Texas (2 reports)
Gilmer, Texas
Houston, Texas
Killeen, Texas
Murchison, Texas
Pipe Creek, Texas
Richmond, Texas
San Antonio, Texas
Farmington, Utah
Kalama, Washington

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