When to sow cosmos
Today's sharing: experience in the aspect of green plant maintenance on when to sow cosmos and the time and method of cosmos sowing, let's get to know it together.
Seed selection and treatment: Sow from March to April, select seeds that are full and plump, soak them in warm water for half an hour, then take them out and place them in a cool place to germinate, and sow after the seeds crack.
Site selection and preparation: Choose a plot with sufficient sunlight and turn the soil in advance, adding base fertilizer.
Sowing into the soil: Mix a moderate amount of fine sand with the seeds, then evenly sprinkle them on the soil surface and cover them with a thin layer of soil.
Later management: Provide appropriate shading and frequently spray water to keep the soil moist, under suitable conditions, the seedlings can emerge in 7-10 days.
I. Seed selection and treatment
Cosmos prefers a warm environment, and sowing is usually done in spring, around March to April, during which the temperature is suitable, making it convenient for management and conducive to seed germination. Seeds should be selected to be full and mature to ensure the germination rate. To improve the germination rate, seeds need to be treated before sowing, soaked in warm water at 30-40 degrees for about half an hour. After taking them out, place the seeds in a dark environment, and within 3-5 days, the seeds will crack and can be sown.
II. Site selection and preparation
Cosmos prefers an environment with plenty of sunlight and does not have high requirements for soil. It is best to choose a plot with good sunlight for sowing. To promote vigorous growth and better blooming in the later stage, it is recommended to turn the soil first and apply sufficient base fertilizer to ensure the soil is loose and breathable. For potted plants, prepare a flower pot of appropriate size and use loose, breathable soil.
III. Sowing into the soil
Cosmos seeds are very small. To ensure more even broadcasting, it is recommended to mix the seeds with an appropriate amount of fine sand. After treatment, evenly sprinkle the seeds on the soil surface and cover them with a thin layer of soil to promote better germination.
IV. Later management
Although cosmos prefers sunlight, it should not be exposed to direct sunlight immediately after sowing. Proper shading is required. It is recommended to cover a layer of straw and water moderately to keep the soil slightly moist. Under suitable conditions, seedlings can emerge in about 7-10 days. After the seedlings emerge, the straw can be removed, and the plants should be exposed to more sunlight to promote vigorous growth and better blooming.
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