The seeds of cosmos grow on the flower heads. The seeds of cosmos are mainly spread by wind, water and animals. The price of cosmos seeds per catty is between 90 yuan-120 yuan.

The planting time of cosmos seeds is suitable in spring, and it can be planted around March. At this time, the climate is mild and suitable, which is very conducive to seed germination and growth, and can also promote the later growth.

Method and proces for planting cosmos seed

1, cosmos seeds need to be soaked in warm water for half an hour before planting. After taking it out, put it in a wet paper towel, sprinkle water regularly to keep the paper towel moist, and put it in a warm place, and the seeds will gradually germinate.

2. Whether potted or planted in the ground, we should choose the soil suitable for sowing, rake it carefully in advance, apply a certain amount of base fertilizer, spread the seeds on the soil surface, cover it with a thin layer of sand, and spray water to keep it moist.

Matters needing attention in seed planting of cosmos

1. After planting cosmos seeds, attention should be paid to maintenance and management, good illumination should be maintained, water should be given in time, the seedlings should be plucked in time when they grow, and attention should be paid to the prevention and control of pests and diseases.

2. In the process of maintaining cosmos, it is very necessary to keep good ventilation and light transmission. After the disease occurs, the diseased leaves and plants should be cut off in time to prevent further infection.