How does the sun flower change in a day? What is the change of sunflower three times a day?

Sunflowers are also good flowers, with red, yellow, white, purple, crimson, orange ......The petals of the sunflower are single-layered and shaped like plum blossoms, cores.

There are red and black filaments with yellow dots on them. The stems of sunflowers are long, thin, soft, and curved. Its branches are thin, the leaves are dense, and the flowers are quite numerous.

Sunflowers bloom only when they see the sun, and every day when the sun rises slowly in the east, the sunflowers scramble to open their smiling faces. When the breeze blows, Sunflower "shakes its head" and seems to be reciting poetry, and seems to nod to pedestrians. The bones of the sunflower are red and the size of a soybean.

Unlike other flower bones, they are short and round. The flower seeds of the sunflower are surrounded by a few small leaves. The flower seeds are as big as sesame seeds, and when the small flower seeds are ripe, they are scattered in the arms of the grandfather of the earth, and after being moistened by the sun and rain, they can grow and bloom more beautiful sun flowers in the second year.

The vitality of the sunflower is very strong, she sucks the nectar given to her by Grandma Blue Sky to her heart's content, and she greedily absorbs the nutrients of Grandpa Earth. Sunflower thrives under the care of Grandpa Earth and Grandma Lantian, dressing up the motherland more beautifully and adding to the beautiful nature. At night, the sun is like a child after a day of play, tired and relieved to fall asleep.

Morning glory. It is also a good flower, it blooms early and loses late, it and the sunflower seem to be a pair of good sisters, they have agreed to open together, enter the sweet dream together, never bloom early, fail early, and decorate this beautiful nature together. They selflessly dedicate themselves and never ask for the return of the motherland and the appreciation of the people Although the sunflower does not have the nobility of roses, the fragrance of chrysanthemums, and the magnolia.

The purity and elegance of the plum blossoms, but the sunflower has the spirit of selfless dedication. I love the sunflower, its tenacious and vigorous vitality, and I love its selfless dedication.

The sunflower changes three times a day in the morning when the sun slowly rises, its flowers also open, it blooms most vigorously at noon, and closes at night.

The sunflower is called a sunflower because it blooms when there is sun. If it's cloudy.

, the sunflower will also close. It is very vigorous, and it blooms brightly in the summer, with pink, yellow, and white flower colors.

At 3 a.m. every day, the sunflowers are already facing east, ready to wait for the sun to rise. When the sun rises, it slowly becomes more erect under the rays of the sun, and gradually adjusts the orientation of the flower disc and leaves according to the movement of the sun. By noon, the sunflower disc was facing south.

In the afternoon, the flower plate will gradually bend to the west, and in the evening, the sunflower flower plate will face west.

Why do sunflowers rotate with the sun.

Sunflowers rotate with the sun because of the auxin underneath the flower disc.

It promotes the growth, development and reproduction of plants. There is also the restriction of sunlight, and the stem will drag its flower disc and bend towards the side with the sun.

When there is sunlight, sunflowers will rotate with the sun. When the sun goes down, the auxin it contains is redistributed again, so it returns to its original position.

Another name for the plant of the family Yak seedlings.

Flowers: Sunflowers.

That is, half a lotus. Scientific name: Portulaca grandiflora

Synonyms: pine-leaf peony, large-flowered purslane.

Family: Purslane, Purslane.

Subject: Herbs and flowers.

Flowering (fruiting) period: summer.

Distribution of origins. Native to Brazil, South America. It is cultivated all over the country. Born on hillsides and in the fields. It is distributed in Heilongjiang, Jilin, Liaoning, Hebei, Henan, Shandong, Anhui, Jiangsu, Zhejiang, Hubei, Jiangxi, Sichuan, Guizhou, Yunnan, Shanxi, Shaanxi, Gansu, Qinghai, Inner Mongolia and other places.

Morphological characteristics. The stems are thin and rounded, lying flat or oblique, with tufts of hairs on the nodes. Leaves scattered or slightly clustered, cylindrical, centimeter long. The flowers are apical, centimeter in diameter, with leaf-like bracts at the base, and the petals are brightly colored, with white, dark, yellow, red, purple and other colors.

The capsule is lobed when ripe, and the seeds are small and delicate, brownish-black. There are many varieties of horticulture, including single petal, semi-double petal, and double petal.

Growth habits. It prefers a warm, sunny and dry environment, is extremely resistant to barrenness, and can be adapted to the general soil and can reproduce by itself. Seeing the sun blooming, the morning, evening, and cloudy days are closed, so there is the name of the sun flower and the noon flower. Flowering period 6-7 months.

Garden use. The sunflower plant is short, the stem and leaf flesh are smooth and clean, the flower color is abundant, and the flowering period is long. It is advisable to arrange the periphery of the flower bed, and it can also be set up as a special flower bed. Whole herbs can be used as medicine.

Dye uses. Black dye can be extracted from the whole herb.

Breeding and breeding. Sunflower seeds are very small, about 8400 seeds per gram. Seedlings are often sown in seedling trays, lightly covered with fine-grained vermiculite, or only slightly compacted after sowing to ensure sufficient moisture. The germination temperature is 21 24, about 7 10 days to emerge, the seedlings are extremely weak, so if the temperature is maintained, the seedlings grow quickly, and they can form thicker, fleshy branches and leaves.

At this time, the seedlings can be directly potted, using pots with a diameter of about 10 cm, planting 2 5 plants per pot, with high survival rate and rapid growth.

It is extremely resistant to barrenness and can be adapted to general soils, and sandy soils with good drainage are the most suitable. It can be sown and reproduce by itself. Seeing the sun blooming, the morning, evening, and cloudy days are closed, so there is the name of the sun flower and the noon flower.

Propagation with sowing or cuttings. Sowing can be done in spring, summer, and autumn. When the temperature is above 20, the seeds germinate and germinate about 10 days after sowing.

The soil should be thin, and it can grow without covering the soil. Seedlings are planted separately with a row spacing of 5 to 6 cm. Liquid fertilizer needs to be applied several times.

It can bloom in about 20 days under conditions above 15. Propagation by cuttings is often used in double-petaled varieties, where the cut shoots are used as cuttings in the summer, wilted stems can also be used, and flower buds appear after cuttings. Transplanting plants does not need to be soiled, and there is no need to water them frequently during the growing season.

The fruit cracks when it is ripe, and the seeds are easy to scatter, so they need to be harvested in time.

The flowering of the sunflower is generally in the month, this flower usually blooms best at noon, and it is basically not visible in the morning and evening and when it is cloudy, so it is also called the sunflower. Its flowers bloom for a long time, until September and November.

Cultivation methods and precautions.

1. Illumination. Sunflower is a strong positive flower, sun-loving, when maintaining at home, be sure to give it enough light, even if it is summer exposure does not need to be shaded, lack of light, it will affect the amount of sunflower and flower size.

2. Temperature. The most suitable growth temperature for sunflowers is 26-29, not afraid of high temperatures and low temperatures, the lower the temperature, the slower the growth rate of sunflowers, and when the temperature is lower than 15, sunflowers will stop growing.

3. Watering. Sunflowers like to grow in dry soil, not afraid of drought or waterlogging, too much watering will make the root system of sunflowers rot. Therefore, during the growth period of the plant, it must be given water in strict accordance with the watering principle of "seeing dry and wet".

Fourth, fertilization. The demand for fertilizer and water for sunflower is not high, only need to apply a Bika granule compound fertilizer during the plant growth period to promote the growth of sunflower, and before the plant flowering, apply a phosphorus and potassium fertilizer to promote the flowering of sunflower.

Sunflower is the month that blooms.

The flowering period of a single sunflower is only one day, it opens when the sun rises, and withers after the sun sets, but the flowering period of the whole sunflower has 7 months, the plant will continue to germinate flower buds between April and November, and bloom flowers, and each stem will only bloom one flower a day, the flowers are distributed, the flower color is bright and rich, and the ornamental value is higher.

A single sunflower blooms in the morning and withers in the evening, and the flowering period is only one day, but between April and November every year, the plant will continue to sprout flower buds and bloom new flowers, so the overall flowering period of the sunflower has seven months, and the ornamental value is high.

Sunflower, also known as purslane peony, is a perennial herbaceous plant, the stem grows in a creeping shape, the leaves are alternate, obovate or spoon-shaped, the flowers are apical distribution, and each stem will only open one flower a day, the flower color is mostly red, yellow or white, often planted in the garden.

The flowering period of the sunflower is longer, in the process of flowering maintenance, it is necessary to provide full sunshine for the plant, which is conducive to the germination of flowers and the bright color of the flower, and it is necessary to cut off the flowers that have been broken in time to reduce the consumption of nutrients, and also ventilate the sunflower to avoid the flower buds being infected by germs.

After the flowers of the sunflower wither, all the flowering branches should be cut off to promote the germination of new branches of the plant, and then the cut branches are cut into loose potting soil, and sprayed with water mist every 5 days to keep the humidity at about 80%, which is conducive to the rooting of the branches.

Sunflowers generally bloom from May to November, and the hotter and sunth, the longer the flowering period.

Sunflowers are characterized by their long flowering period. If you can provide the right environment, you can bloom in all seasons and have a variety of flowers. It usually starts blooming in May every spring, and the flowering period is long, lasting until November.

If it is located in the Lingnan area, the climate is suitable, and it can be opened all year round. In the colder north, the sunflower blooms until June, and the flowering period lasts until October, which can also bloom for four or five months.

Sunflower Introduction:

Sunflower is called pine leaf peony, half lotus, purslane family purslane is a perennial flower, often cultivated annually. Prefer a warm, sunny and dry environment.

Sunflowers are very light-loving and bloom only when they see the sun. Therefore, the flowers are closed in the morning, evening or on rainy days. The more intense the light, the better the flowers will bloom, which is also the origin of the name, and it is also called the noon flower.