Does the stem of the sunflower have skin and the color of the stem of the sunflower?

To be precise, the stem of the sunflower is composed of a cortex, a woody layer and a spongy pith, and by the time of the sunflower's later growth, the stem will be lignified, and the pith inside the stem will form a hollow, and the leaves of the sunflower will be alternate, heart-shaped oval or oval.

First, the planting method.

Sunflower planting in the open field, can be selected to sow after the late frost, potted plants can be sown and propagated all year round, because sunflower belongs to the annual fleshy herb, and suitable for sowing and propagation, its sowing germination rate is higher, so you can not have to promote germination, directly prepare the ground for watering.

After the seeds are sown in the loose and flat soil, slightly covered with a thin layer of soil, the thickness of the covering soil is appropriate to see the seeds, and after the sunflower seeds germinate and are unearthed, the potted plants will be moved to a sunny place for maintenance, usually observe the surface of the soil white, dry and watered once permeable.

Second, the maintenance method.

Sunflowers like the sun, potted plants should be maintained in the south balcony with sufficient sunlight, more sun can promote the growth of plants short and strong, more flowering, lack of light, sunflowers will grow, less flowering or even no flowering, sunflowers are more drought-tolerant, usually can wait for the soil to be planted sunflowers is close to dry before watering.

During the vigorous growth period of sunflowers, you can water a large number of elements with a balance of nitrogen, phosphorus and potassium every half a month, and switch to phosphorus and potassium fertilizer before flowering to help the plants bloom more and the flowers are larger.

Precautions. If the sunflower is sunny, if it is directly sown, it is necessary to choose a relatively open place without the shelter of buildings to provide it with a well-lit maintenance environment.

The stems of sunflowers have skin. The stem of the sunflower is composed of the cortex, xylem and spongy pith, and the outer skin plays a protective role in the stem of the sunflower.

In the late growth stage, the stem will be lignified, and the pith in the stem will form a hollow appearanceThe leaves on the stem of the sunflower are heart-shaped oval or oval, its tip is acute or acute, and the flowers on the stem are in the shape of a capitate inflorescence, and its diameter ranges from about 10-30 cm.

Sunflower is tolerant to high and low temperatures, has low requirements for soil, has strong salt and alkali tolerance, and also has the ability to absorb salt. The sunflower can be planted for ornamentation, and its seeds are also edible, which is loved by people.

Of course, all plants have a skin, epidermis, phloem, xylem, and vascular bundles that are responsible for delivering nutrients.

There is skin. The scientific name of the sunflower is the large-flowered purslane.

There's also a name called Can't Die. Sunflowers are easy to survive. As long as you keep the soil moist, the survival rate is almost 100%.

The stems of sunflower flowers have skin. If you don't have skin, it's hard to grow. This is a very common truth.

Hello, the stem of the sunflower is the same as other plants, it also has skin, but its skin is thinner, I hope my reply can help you.

It mainly depends on the color of the stem of the sunflower.

The dark colors are red, rose red, etc.

The light colors are white, yellow and other flower colors.

Sunflower, 1-year-old or perennial succulent herb (common plants on the market are perennial, and most of the seeds are annual), with a plant height of 15 to 20 cm. The stems are thin and rounded, the stems and leaves are fleshy, lying flat or oblique, and there are clumps of hairs on the nodes. Leaves scattered or slightly clustered, cylindrical, 1 long.

The flower is apical, diameter, with leaf-like bracts at the base, and the petals are brightly colored, with white, yellow, red, purple and other colors. The capsule is lobed when ripe, and the seeds are small and delicate, silvery-gray. There are many varieties of horticulture, including single petal, semi-double petal, and double petal.

Some are dark green, some are reddish, and some are pale green.