When is the best time to sow sunflower seeds?

1. Sowing time of sunflower seeds

Sunflowers can be sown in spring, summer and autumn, as long as the cold winter is avoided. Sunflowers like a warm environment. The temperature in winter is too low, and even if they can germinate, the seedlings will easily be frozen. However, the best time to sow is between March and April in spring and between August and October in autumn. Because the climate and temperature in these two time periods are more suitable, the sunflower seeds can germinate better after planting, and the seedlings can also grow vigorously, which can promote its growth more vigorously.

2. How to sow sunflower seeds

1. Prepare the potting soil: Sunflowers like loose, breathable and fertile soil environment. When sowing, you must prepare suitable soil in advance. It can be mixed with garden soil, river sand and an appropriate amount of compost soil. The prepared soil must be disinfected. In addition, water the seeds thoroughly before sowing to keep the soil moist.

2. Seed processing: It is recommended to soak the seeds before planting sunflowers to allow the seeds to absorb water. This will promote faster germination and greatly increase the germination rate. Just soak its seeds in clean water for a day, take them out and dry them in the shade.

3. Sowing seeds into the soil: After the soil is prepared and the seeds are soaked, they can be sown. The sowing method is very simple. Sprinkle the sunflower seeds evenly on the soil surface, and then cover it with fine soil. After sowing, place it in a ventilated and well-lit environment.

4. Post-maintenance: Sunflower seeds can only germinate and sprout at a temperature above 18 degrees. Therefore, good temperature control is required after sowing. If the temperature is too low, you can cover it with plastic film to promote the germination of seedlings as soon as possible.