They do this because night-flying insects mostly pollinate them. One such insect is the hawk moth. The flowers are sensitive to small changes in light so that they are open when these insects are out in the evening.
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“Where flowers bloom so does hope.” – Lady Bird Johnson “Flowers always make people better, happier and more helpful; they are sunshine, food and medicine for the soul.” – Luther Burbank “Life is the flower for which love is the honey.” – Victor Hugo “Love is the flower you’ve got to let grow.” – John Lennon “A flower cannot blossom without sunshine, and man cannot live without love.” – Max “If we could see the miracle of a single flower clearly our whole life would change.” – Buddha “Minds are like flowers; they open only when the time is right.” – Stephen Richards “Flowers… are a proud assertion that a ray of beauty out values all the utilities in the world.” – Ralph Waldo Emerson “Flowers… are a proud assertion that a ray of beauty out values all the utilities in the world.” – Ralph Waldo Emerson “Every flower is a soul blossoming in nature.” – Gerard De Nerval “Flowers are like friends; They bring color to your world.” – Unknown “Earth laughs in flowers.” –
Helianthus is a genus of plants comprising about 70 species. Except for three species in South America, all Helianthus species are native to North America and Central America. The common names "sunflower" and "common sunflower" typically refer to the popular annual species Helianthus annuus , whose round flower heads in combination with the ligules look like the sun This and other species, notably Jerusalem artichoke ( H. tuberosus ), are cultivated in temperate regions and some tropical regions as food crops for humans, cattle, and poultry, and as ornamental plants. The species H. annuus typically grows during the summer and into early fall, with the peak growth season being mid-summer. Perennial sunflower species are not as common in garden use due to their tendency to spread rapidly and become invasive. The whorled sunflower, Helianthus verticillatus , was listed as an endangered species in 2014 when the U.S. Fish and Wildlife Service issue
Changing The Water In Your Flower Arrangement First remove any dead or dying flowers from the arrangement. After carefully removing the good flowers, clean the vase thoroughly with soapy water to remove any bacteria that could cause the fresh flowers to deteriorate even quicker. Be sure to rinse thoroughly. Replace the water and mix in the flower preservative provided by your florist, according to the instructions on the packet. For best results, cut stems with a sharp knife at an angle about one to two inches from the bottom. This allows them to better absorb water. Do not use scissors to cut your flowers because they can crush the stems and prevent water absorption. Place loose stems or wrapped bouquets of fresh flowers in your water mixture as soon as possible. To buy gifts flowers and toys for your loved ones visit: BorivaliFlowers
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