Rajnigandha-Polianthes Tuberosa ‘Pink Sapphire’ (Bulbs)

“Double Petal Pink 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.

Polianthes tuberosa ‘Pink Sapphire’ is a unique hybrid tuberose, revered for its captivating beauty and alluring fragrance. A botanical gem that remains relatively unknown, this exceptional flower boasts a tall floral stem adorned with a profusion of fully double flowers in a medium pink hue, tinged with smoky undertones and a hint of mauve. As summer arrives, the plant produces a striking 20 to 40 cm (8 to 16in) spike consisting of dozens of flowers in a rich pink shade. With a gradual bottom-to-top unfurling, these delicate petals create a stunning star-shaped cup that exudes a potent and long-lasting fragrance, day and night.

 

Rajnigandha Pink Sapphire bulbs produce fragrant, rare pink flowers, offering a distinctive addition to gardens. Blooming occurs from July to October in plains and August to November in hilly regions. For optimal growth, plant between February and April in plains or March and May in hills.

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.