Tuberosa (The Pearl)
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.
Tuberose (The Pearl) has narrow leaves to 40cm long, with an erect stem to 1.2m tall, bearing a loose spike of highly fragrant, double white flowers 4-6cm long in summer
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.
Tuberoses make a really nice cut flower to scent a room with, or enjoy in pots too.