When to sow sunflower seeds

Article Catalog

1. Sowing time

2. Sowing process

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Sunflower seeds can be sown in spring, summer and autumn. If sown in April-May when the temperature is slightly higher than 18°C, it will survive better. When sowing, use a mixture of sandy soil and compost soil as the substrate, and add a little sand to provide drainage. Soak the seeds in clean water overnight, dry in the shade and then sow on the surface of the pot soil. Cover it with a layer of fine soil and place it in an environment with a suitable temperature.

1. Sowing time

1. Sowing time

The sowing time of sunflower seeds is generally in spring, summer and autumn, and it is not suitable to sow in winter. Because the temperature is low in winter, seedlings are prone to frostbite. Generally, sowing is carried out in April in Jiangsu, Zhejiang and Shanghai, when the temperature is higher than 18°C, which is conducive to the growth of seedlings.

2. Sowing process

1. Pot soil preparation: Sunflowers are suitable for growing in loose and fertile soil. Generally, sandy soil can be mixed with compost soil, and a small amount of river sand can be added to provide certain drainage. Then water thoroughly to provide a moist environment.

2. Seed selection: Sunflower seeds are very It is small and difficult to distinguish its quality, so generally there is no need to select. If you want to improve its germination rate, you can soak the seeds properly. Soak the seeds in clean water and take them out to dry in the shade after a day.

3. Sowing: Make the surface of the pot soil smooth. The seeds are then sprinkled on top and covered with a layer of fine soil, the thickness of which should not exceed two centimeters. After sowing is completed, place it in a brightly lit place.

4. Follow-up maintenance: Sunflower at 18℃ Germination will only occur in the above environment, so the temperature must be controlled. At the same time, the soil should be kept moist to facilitate germination. It can be covered with a layer of film to keep warm and moisturizing.

2. Sowing process

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