When do sunflowers with a variety of colors usually be sown? How can the potted plant explode easily?

Sunflower is a common flower with a wide variety of colors. It is so named because it blooms only when there is sunshine, also known as noon flower. Sunflower is also an extract of black dye, which is widely used in industry. Sunflowers are well maintained and can grow well without too much care. They are loved by many flower lovers. In addition to outdoor planting, sunflowers can also be potted indoors, playing a decorative role. When do sunflowers usually sow? How can the potted plant explode easily?

Introduction of sunflowers

1, nickname: Scutellaria barbata, Portulaca oleracea, dragon beard peony, pine leaf peony, noon flower.

2. Origin: South America, Brazil and Argentina. Now it is planted in most parts of China, mainly in Hunan, Jiangxi, Sichuan, Chongqing, Hubei, Guizhou, Shanxi, Yunnan, Shaanxi, Gansu and other places. It grows naturally on hillsides and fields.

3. Propagation mode: sowing and cuttings.

4. Color: Fei red, bright red, purple red, deep red, red, white, snow blue, dark yellow, light yellow and other colors.

5. Flower language: because the sun flower has a special opening time and rich colors, it symbolizes positive, loyal, bright, silent love and so on.

6. Main value: medicinal value and landscape decoration value.

When will sunflowers be sown?

Sunflower is a kind of light-loving and barren flower, which can be sown in spring, summer and autumn. Because of the low temperature and little sunshine in winter, it is not suitable for its growth, and the whole plant will die. So in most cases, sunflowers choose to sow in spring, that is, from March to April, which can prolong the growth period and flowering time of sunflowers. Generally, it takes about two months from sowing to flowering, and the flowering period is longer.

If the temperature is relatively high in the south, as long as it reaches the growth temperature of sunflowers (no less than 18 ℃), it can be sown ahead of time.

In fact, it is difficult for sunflowers to choose the way of sowing, because its seeds are more difficult to collect and rarely bear seeds after flowering. In general, family potted plants will choose the way of cuttings. If you must sow, it is recommended to go to the flower market to buy finished flowers.

Third, how to explode the sun pot?

(1) the method of exploding the sun flower pot-pinch the head and burst the pot.

The common way to burst a sunflower is to pinch the head and burst the basin, and there are two ways to pinch the head, one is to let the sunflower grow naturally and then pinch the head on the branch, this way is suitable for the family to plant a sunflower; the other is to pinch the head at the seedling stage to promote multi-branching, which is suitable for the dense situation of planting at the very beginning. No matter which way it is, it is to let the sunflower bloom more beautiful flowers.

(2) key points for maintenance of sunflower pots and pots

1. Choose the right variety

Sunflowers with persistent roots bloom all the year round and bear few seeds, while annual sunflowers can bear seeds. After the death of the whole plant in winter, the seeds will be scattered in the pot, and the pot can be burst in the coming year. Of course, it is not impossible for the persistent root to burst the pot, as long as it is propagated by cuttings, the ornamental value of the persistent root is higher than that of one year old, depending on the flower grower's own choice.

2. Applying base fertilizer and topdressing fertilizer

In order to make the sunflower burst, the basin soil configuration should not only choose the loose soil with good air permeability and good drainage, but also give plantar fertilizer, so that it can fully absorb nutrients during the growing period and achieve the effect of basin explosion. In case of emergency, reasonable topdressing can be carried out, phosphorus and potassium fertilizer can be increased in the early flowering stage, and nitrogen fertilizer can be increased in the growing period, basically every half a month. The sunflowers raised in this way have bright colors and large flowers.

3. Pick the heart and hit the top at the right time

Coring and topping is a common way to make sunflowers burst into pots. As long as the pointed buds on the branches are removed, they will continue to branch until the branches reach a height above 5cm.

Conclusion: through the full text, we can know that the most suitable sowing season for sunflowers is spring; cuttings are easier to plant than sowing methods; in order to easily burst the pot, the common practice is to pick the heart and hit the top, have you learned it?