Why night-blooming jasmine (Cestrum nocturnum) blooms at night and its specific blooming time
Whether ordinary plants or flowers, the time they bloom is during the day. However, the world is full of wonders, and there is a plant that blooms at night. Its low-key manner has drawn people's attention. It is the night-blooming jasmine. What puzzles people is why night-blooming jasmine blooms at night, and what time does night-blooming jasmine bloom? Let the editor analyze it for you below.
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Why does night-blooming jasmine bloom at night?
This habit of blooming at night in night-blooming jasmine has been passed down through generations. Only at night does it release its rich fragrance. Why is that? The reason is simple: many plants rely on insects for pollination to reproduce. Plants that rely on insects active during the day for pollination bloom and release fragrance in the daytime, welcoming their messengers.
Night-blooming jasmine relies on moths that appear at night for pollination. With the strong fragrance it releases at night, night-blooming jasmine lures winged "guests" to visit and carry pollen for it. This habit of night-blooming jasmine is a kind of adaptation to its environment.
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The petals of night-blooming jasmine are very different from those of other plants that bloom during the day. The stomata on its petals have a special characteristic: once the air humidity is high, they open wide, and when the stomata open wide, more aromatic oil evaporates. Although there is no sun at night, the air is much more humid than during the day, so the stomata open wide and the fragrance released is especially strong. The flowers of night-blooming jasmine not only release fragrance at night, but also on cloudy and rainy days. The reason is that the air humidity is high on cloudy and rainy days.
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What time does night-blooming jasmine bloom?
The native home of night-blooming jasmine is the tropical regions of Asia, where daytime temperatures are high, so moths and insects do not like to come out, and only come out at night to look for food. At this time, night-blooming jasmine releases a strong fragrance to lure flying insects to come and spread pollen. Through the influence of environmental factors over generations, night-blooming jasmine has formed the habit of always releasing fragrance at night. Usually night-blooming jasmine opens at 8-10 p.m. At this time the temperature is just right.
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Finally, a reminder to everyone: night-blooming jasmine is toxic, so it can also be used to repel mosquitoes and insects. If it is kept indoors for a long time, it can cause dizziness, coughing, and even asthma and insomnia. Therefore, if night-blooming jasmine is placed indoors during the day, it should be moved outdoors in the evening.