Generally, Narcissus blooms in winter and spring. If it is normally maintained, the flowering period will be relatively stable, and it can bloom in 40 or 50 days. However, this means that under normal conditions, if Narcissus encounters abnormal weather, such as low temperature and insufficient light, the flowering may be delayed. At this time, it needs to be expedited and controlled artificially. Narcissus can take expediting methods, mainly is to increase the temperature, so that it blooms as scheduled.
If the narcissus is maintained normally, the methods that Narcissus can adopt to urge flowers include increasing the temperature of light, in the daytime, putting Narcissus in the outdoor sunshine, or in the indoor place with sufficient light until it blooms.
You can also use the light to increase the temperature. Put a plastic transparent cover over the Narcissus pot. When you use the light to irradiate, you can increase the temperature in the pot. In addition, a heating device, such as an electric hair dryer or an electric heater, can be used to blow the Narcissus plants and make them bloom for several days. But don't let the hair dryer hurt the Narcissus plants.
Can also use warm water to increase temperature, in the Narcissus pot to add a small amount of warm water, can increase the water temperature, promote flowering.
When it comes to urging flowers, we should mention the postponement of flowering. Because urging flowers and delaying flowering are all hope that flowers can open according to people's ideas, Narcissus can also delay flowering, so that it will bloom when we need it
Narcissus need to postpone flowering, generally may be the temperature is too high, at this time, you can add some cold water in Narcissus pot, at night, and then pour out the water, low temperature treatment, so you can postpone flowering.