Night blooming flowers use their light reflecting properties and fragrance to attract insects for pollination. They are therefore white, or light in color, in order to reflect the moonlight and advertise their beauty to passing moths and other insects. Sphinx moths are the primary pollinators of night blooming flowers.
Why are the night-blooming flowers white in color ?
Those white flowers are better at reflecting the low light found in the evenings. Alse its difficult to discern color during low light conditions so white would be easiest to see to a prospective pollinator.
Why only use honeybees and butterflies as pollinators, why not nocturnal moths? Plants that bloom after dark are merely adapted to using nocturnal pollinators.
Many plants bloom exclusively at night. Many more wait until evening to release their heady scent. White flowers and plants with variegated foliage glow softly as they reflect the moonlight.
The bright blooms of some plants and heavenly scent of some flowers attract nectar-feeding moths and bats. These pollinators work only after dark.
Another benefit of this is that bats are drawn to the night-blooming garden to prey on insects.
that is because they need less chlorophykk because there is no sun light. you shoul do this for night blooming plants.
For best plant performance, it is desirable to match the correct plant with the available light conditions. Right plant, right place! Plants which do not receive sufficient light may become pale in color, have fewer leaves and a ';leggy'; stretched-out appearance. Also expect plants to grow slower and have fewer blooms when light is less than desirable. It is possible to provide supplemental lighting for indoor plants with lamps. Plants can also receive too much light. If a shade loving plant is exposed to direct sun, it may wilt and/or cause leaves to be sunburned or otherwise damaged.
They are less colourful because they cannot be seen so well, so colours would not attract pollinators as teh colours of daybloomers do.
I'd say they are often white because white stands out best in the dark, so is best for attracting creatures. Night bloomers such as jasmine as also quote often scented for the same reason, they rely on this rather than colour to be pollinated.
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