Rajnigandha-Polianthes tuberosa 'Yellow Baby (Bulbs)

Single Petal Yellow Rajnigandha

Family

Asparagaceae

Origin

Taiwan

Description

Tuberose, (Polianthes tuberosa) is a  perennial tuber or tuberous roots of the asparagus family. The tuberose has long bright green leaves , about 1–1.5 ft long and up to 13 mm wide , clustered at the base and smaller clasping leaves along the stem.

The inflorescence is a spike, reaching up to 3 ft high, with pure white waxy flowers. The flowers are tubular, with a tube up to 2.5 in long, separating into six flaring segments (tepals) at the end, and are strongly fragrant and bloom at night. . There are six stamens, inserted into the tube of the flower, and a three-part stigma.

Rajnigandha 'Yellow Baby' represents a refined advancement in tuberose cultivation, delivering compact growth with luminous pale yellow blooms characterized by their distinctive funnel architecture and pronounced fragrance. This hybrid variety produces star-shaped flowers on sturdy, upright stems throughout summer months, combining aesthetic appeal with horticultural practicality. The cultivar thrives with straightforward care requirements, making it accessible to both experienced gardeners and enthusiasts.

Blooming extends from July through October in lowland regions, with August to November flowering in elevated terrain. Establish bulbs during February-April in plains or March-May in hill stations for superior establishment and performance.

Environment

Tuberose are best planted in a sunny location. The require full sunlight to bloom.

Well drained loamy soil having a pH of 6.5-7.5 is ideal for the plant. Plant the bulbs in the fall, placing bulbs 3 to 4 inches deep and 2 inches apart in any well-drained soil will produce good results. Tuberose flower in mid to late summer, typically 90-120 days after planting.

Tuberose require rest during winter period in order to bloom in summers.

Tuberose plants are heavy feeders and appreciate applications of 8-8-8 fertilizer while they are actively growing.

The plants benefit from bone meal applied at planting and after blooming. Reduce watering after the foliage begins to die back.

Landscape Use

Tuberoses are excellent in the garden or in pots. Their tall stems (2-3 ft.) and rather sparse, grass-like foliage make them ideal for inter-planting.