Plant profile
Details
Growth habit
Clumping perennial bulb
Mature size
3 ft tall • 1 ft 6" wide
Climate fit
Perennial in Zones 8–11

Rajnigandha (Single Tuberose)

Polianthes tuberosa

Rajnigandha is not remembered by sight alone. Its fragrance has a way of marking occasions, weddings, late evenings, quiet ceremonies, and homes where flowers were placed with intention. For many, the scent carries recognition before the name does. A single bloom spike can change the mood of a space without asking for attention.

Available pot sizes
Out of stock
We’ll restock when ready
Care basics
Light
Full sun
Water
Let top inch dry
Soil
Well-draining
Fertilizer
Moderate feeder
Pruning
Minimal pruning
Cold
Freeze sensitive

About this plant

Botanical snapshot
Genus Agave
Species amica
Cultivar Single
Family Asparagaceae

Rajnigandha grows from bulbs that produce tall stems lined with white blossoms. In the single variety, flowers open gradually along the spike, allowing fragrance to develop over several days. The plant follows a seasonal rhythm, storing energy in the bulb before returning again.

Why people keep it

  • Fragrance with memory: scent becomes stronger as evening approaches and often signals celebration or gathering.
  • Ceremonial presence: widely used in weddings and traditional events where flowers are chosen for atmosphere rather than display.
  • Gradual bloom: flowers open in sequence, allowing the experience to unfold over time.
  • Shared familiarity: the fragrance is often recognized even by those who cannot name the plant.

What to expect

Rajnigandha grows upright and prefers warmth. Bloom spikes may take time to appear, but once they do, flowers continue opening along the stem for several days. After flowering, the plant redirects energy back to the bulb, preparing for future cycles rather than immediate repetition.

How we grow and ship it

We grow Rajnigandha from healthy bulbs that are allowed to establish before encouraging bloom. Plants or bulbs are shipped with attention to minimizing stress. After transit, provide warmth and steady care while new growth develops.

Disambiguation & Cultural Notes

  • Single vs double forms: Single-petal varieties are often valued for stronger fragrance, while double forms are appreciated for visual fullness.
  • Ceremonial role: Rajnigandha is frequently associated with weddings and gatherings where scent shapes the atmosphere.
  • Fragrance tradition: The scent has long been used in perfumery for its depth and lingering presence.
  • Cultural memory: For many, Rajnigandha signals occasion rather than decoration, it marks moments rather than filling space.

Practical Tips

  • Prefers bright light and warmth for reliable flowering.
  • Avoid overly wet soil, bulbs benefit from good drainage.
  • Allow foliage to mature after bloom to support future cycles.
  • Best enjoyed where fragrance can gather naturally.

Full care guide

The details behind the basics.
Light
Full sun
Grow Rajnigandha in full sun for best vigor and flowering. In extreme heat, provide consistent watering and consider light afternoon shade.
Water
Let top inch dry
Water Rajnigandha thoroughly, then let the top inch of soil dry before watering again. Don’t keep the pot constantly wet.
Soil
Well-draining
Use a well-draining mix for Rajnigandha. The goal is moisture retention without staying soggy—drainage is non-negotiable.
Fertilizer
Moderate feeder
Feed Rajnigandha regularly during the growing season with a balanced fertilizer. Reduce or pause feeding when growth slows.
Pruning
Minimal pruning
Rajnigandha needs little pruning—remove dead, damaged, or crossing stems and shape lightly as needed.
Cold
Freeze sensitive
Rajnigandha will suffer below ~32°F. In cold climates, treat it as an annual or overwinter it indoors until frost danger passes.
Pests
Moderate risk
Rajnigandha can attract common pests under stress. Watch for early signs, maintain airflow, and avoid overwatering and low light.
Toxicity
Toxic to pets
Rajnigandha may be toxic to pets if chewed or ingested. Keep it out of reach and contact a vet if ingestion is suspected.