The seeds of cosmos grow on the flower heads. The seeds of the universe are mainly spread by wind, water and animals. The price per catty of cosmos seeds ranges from 90 yuan to 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. Before planting, the seeds of cosmos should be soaked in warm water for half an hour. Take it out and put it in the prepared wet tissue. Sprinkle water regularly to keep the paper towels moist. When placed in a warm place, the seeds will germinate gradually. 2. Whether potted or planted on the ground, we should choose the soil suitable for sowing, rake it flat 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, we should pay attention to maintenance and management, keep good light, water them in time, top the seedlings in time after they grow, and pay attention to the prevention and control of pests and diseases. 2. Good ventilation and light transmittance should be maintained during the maintenance of cosmos. After the onset, the diseased leaves and strains should be cut off and destroyed in time to prevent reinfection.