How Long Does It Take For Water Hyacinth To Bloom. The flowers are pale purple and one petal on each flower has a yellow spot. During this time it will produce flowers that look fantastic and it will be a truly impressive plant to behold.
Forced bulbs are usually treated as annuals and discarded after they flower. Though gorgeous water hyacinths. After 2 weeks or so your hyacinths will be fully fragrant and bloomed and should last for another 2 weeks.
Jun 15 2021 Under perfect conditions a colony of water hyacinths can double its size every 8 to 12 days.
Once 10-16 weeks has passed and you start to see tender shoots forming you can gradually expose the bulbs to sunlight and warmer temperatures. For optimum growth the growth season can be found according to your zone. Keeping the bulbs in a cool 68 degree room in your home is ideal while they are blooming. Hyacinths bloom in early to mid-spring at the same time as daffodils.