Sunflowers are annual plant of sunflowers in Compositae. Sunflowers are deeply loved by everyone because of their sunward characteristics. Let's see how to plant sunflowers.

The best method of sunflower propagation is sowing. The most suitable time is from March to April in spring. If the temperature is controlled at 18-25 ℃, it is the best. Choose plump seeds and soak them in warm water before sowing. Prepare the soil for sowing, put the sharp end of the seed down, plant them in the soil and cover them with a layer of soil.

For sunflower planting, loose, breathable, well drained, humus rich and deep sandy soil should be selected. The soil should be loosened regularly to maintain the air permeability of the root, which is conducive to the normal respiration of the root. Sunflowers have strong adaptability to temperature and like a warm growth environment.

Sunflowers are very sensitive to light and need to maintain sufficient light. Only sufficient sunlight can promote their growth and makes sure the flowers to be gorgeous and leaves to be green. Ground grown sunflowers should be planted in the sunny place, and potted sunflowers should be placed in the bright place.

The root system of sunflower can be massive, and sufficient water is needed during growth. When there is water shortage, water shall be supplemented in time. Sunflowers like fertilizer and need to be fertilized every 15 days during the growth period. Nitrogen fertilizer is mainly used in the seedling stage to promote the robustness of branches and leaves. Phosphorus and potassium fertilizer shall be appropriately increased after budding, to promote normal flowering.